A cat flap in action.A wall-mounted flap with access tunnel.

Discover great deals on the many top brand items available only on eBay!

Dog Doors

A cat flap (also known as a doggie door or pet door) is a hinged flap set into a door, wall or window to allow cats, dogs, or other domestic pets to enter and exit a house on their own without needing a human to open the door. more...

HomeHome
BirdsBirds
CatsCats
DogsDogs
Car Seat CoversCar Seat Covers
Dog ApparelDog Apparel
Dog BedsDog Beds
Dog BlanketsDog Blankets
Dog CalendarsDog Calendars
Dog Carriers & TotesDog Carriers & Totes
Dog Collars & TagsDog Collars & Tags
Dog Dishes & FeedersDog Dishes & Feeders
Dog DoorsDog Doors
Dog Fences & Exercise PensDog Fences & Exercise Pens
Dog Flea & Tick RemediesDog Flea & Tick Remedies
Dog Food & TreatsDog Food & Treats
Dog Grooming & Health CareDog Grooming & Health Care
Dog HousesDog Houses
Dog LeashesDog Leashes
Dog Oral HygieneDog Oral Hygiene
Dog Signs & PlaquesDog Signs & Plaques
Dog StrollersDog Strollers
Dog Tents & CanopiesDog Tents & Canopies
Dog Toys & ChewsDog Toys & Chews
Dog Training & ObedienceDog Training & Obedience
Electronic, Invisible FencesElectronic, Invisible Fences
HarnessesHarnesses
MuzzlesMuzzles
Other Dog SuppliesOther Dog Supplies
Outdoor Dog Garden FlagsOutdoor Dog Garden Flags
Pet MemorialPet Memorial
Pooper Scoopers & BagsPooper Scoopers & Bags
Ramps & StairsRamps & Stairs
Water FountainsWater Fountains
FerretsFerrets
FishFish
Guinea PigsGuinea Pigs
HorsesHorses
Other AnimalsOther Animals
RabbitsRabbits
ReptilesReptiles
RodentsRodents
Sugar GlidersSugar Gliders
Tadpoles & FrogsTadpoles & Frogs
TurtlesTurtles

They are very popular with cat owners, many of whom like to encourage their cats' natural independence by letting them come and go at will — particularly in the United Kingdom where it is believed that about 90% of all cats (including ferals) have access to the outdoors, many of these via cat flaps (). Flaps for most dogs must be bigger and therefore are often constructed differently; except in rural areas they tend to give access to fenced-in yards or gardens rather than the neighborhood at large.

The simplest are just weighted flaps, but these can have problems with wind blowing open the flap or making a rattling noise. A magnet on the flap addresses this issue by holding the door in place when not in use, but not so securely as to prevent access. Sometimes a flap will also have adjustable catches to restrict the opening of the flap in one direction or the other — for example to allow the animal to come in, but not go out again. More sophisticated flaps have electromagnetic catches that can detect a matching permanent magnet worn on the animal's collar and unlock the flap as the animal approaches, thus preventing any other animals using the flap to enter the house.

Devotees suggest a pet door should be set at a height so that the bottom of the opening is just a little lower than the belly of the animal when standing. Many animals prefer to use a flap with a transparent flap, so that they can be sure there is nothing threatening outside before leaving the safety of the home.

The invention of the cat flap is often attributed to Sir Isaac Newton in the seventeenth century; this story, however, is usually related (, for example) without any sources to support it.

Read more at Wikipedia.org


[List your site here Free!]

PetSafe Extreme Weather Pet Door White, 3 Sizes Small, Medium, LargePetSafe Extreme Weather Pet Door White, 3 Sizes Small, Medium, Large $54.95 to $99.95 Pet Door Replacement Flap Dog Flaps Cat Patio Panel Sliding Glass Wall Entry NewPet Door Replacement Flap Dog Flaps Cat Patio Panel Sliding Glass Wall Entry New $13.69 Trending at $15.67
High Tech Pet Products Ms-5 Waterproof
00004000
 Submersible Collar for Power Pet Dog DoorHigh Tech Pet Products Ms-5 Waterproof 00004000 Submersible Collar for Power Pet Dog Door $49.99 White Xl Dog Cat Pet Door Entry Gate Extra Large 17"x14" Flap + Sliding ShutterBWhite Xl Dog Cat Pet Door Entry Gate Extra Large 17"x14" Flap + Sliding ShutterB $34.55
Carlson Pet Products Lil' Tuffy Expandable Gate with Small Pet DoorCarlson Pet Products Lil' Tuffy Expandable Gate with Small Pet Door $21.99 High Tech Pet Wall Adapter Tunnel Wa-2 for Power Pet Px-2 Electronic Pet Door, LHigh Tech Pet Wall Adapter Tunnel Wa-2 for Power Pet Px-2 Electronic Pet Door, L $20.79
Pet Door Extra Large Flap Dog Cat Entry Entrance Gate Aluminum Lining Home DecorPet Door Extra Large Flap Dog Cat Entry Entrance Gate Aluminum Lining Home Decor $47.84 PetSafe Pet Door Replacement Flap LargePetSafe Pet Door Replacement Flap Large $30.24
Pet Door Dog Flap Cat Small Safe Way Lockable Petsafe Frame Telescoping PlasticPet Door Dog Flap Cat Small Safe Way Lockable Petsafe Frame Telescoping Plastic $8.39 PetSafe Freedom Aluminum Pet Doors White, Small, Medium, Large & X-LargePetSafe Freedom Aluminum Pet Doors White, Small, Medium, Large & X-Large $51.95 to $129.95
Ideal Pet Products Replacement Flap for Ultra Flex Extra Large Dog Door, NewIdeal Pet Products Replacement Flap for Ultra Flex Extra Large Dog Door, New $37.87 List price:  Previous Price $47.00 Ideal pet door replacemnet flap 9x15Ideal pet door replacemnet flap 9x15 $26.00
Ideal Ruff Weather (1) Replacement Flap Dog Pet Door-All SizesIdeal Ruff Weather (1) Replacement Flap Dog Pet Door-All Sizes $22.44 to $38.44 Aluminum Magnetic White Pet Patio Door Dog Cat Mount Sliding Glass Plastic FlapAluminum Magnetic White Pet Patio Door Dog Cat Mount Sliding Glass Plastic Flap $140.56 Trending at $177.32
PetSafe Wall Entry Aluminum Pet Door (Medium)PetSafe Wall Entry Aluminum Pet Door (Medium) $89.95 Extreme Weather Pet Door Dog Doors Exterior Cat Entry Large Dogs Heavy Duty M LExtreme Weather Pet Door Dog Doors Exterior Cat Entry Large Dogs Heavy Duty M L $46.54 Trending at $48.11
(New, Box Not Perfect) PetSafe (Small) SmartDoor Electronic Dog Door Ppa11-10711(New, Box Not Perfect) PetSafe (Small) SmartDoor Electronic Dog Door Ppa11-10711 $84.95 The Door Shield Pet Scratch Protector Dog Puppy Cat Screen Furniture Clear GuardThe Door Shield Pet Scratch Protector Dog Puppy Cat Screen Furniture Clear Guard $25.25
Xl Extra Large Pet Door Premium Aluminum Replacement Flap Freedom Dog Cat SafeXl Extra Large Pet Door Premium Aluminum Replacement Flap Freedom Dog Cat Safe $42.39 Replacement Flap Ideal "Original" Plastic Frame Dog Pet Door-*All Sizes*Replacement Flap Ideal "Original" Plastic Frame Dog Pet Door-*All Sizes* $17.95 to $38.96
Pet Door Extra Large Frame Durable Easy Install Dog Doggie Flap Mount Secure XlPet Door Extra Large Frame Durable Easy Install Dog Doggie Flap Mount Secure Xl $45.75 4-way Magnetic lockable pet door for cats and dogs4-way Magnetic lockable pet door for cats and dogs $10.20 to $16.79
Small Ideal Ruffweather Pet Cat Doggie Door And Wall Install Kit Free ShippingSmall Ideal Ruffweather Pet Cat Doggie Door And Wall Install Kit Free Shipping $60.00 New! Petsafe Electronic Smart Door Small 4-15lbs (Ppa11-10711)New! Petsafe Electronic Smart Door Small 4-15lbs (Ppa11-10711) $99.99 Trending at $139.94
Clawguard® Pet Protection Tape - the Ultimate Dog and Cat Scratch ShieldClawguard® Pet Protection Tape - the Ultimate Dog and Cat Scratch Shield $18.95 PetSafe Dog and Cat Door Replacement Flap, Medium/Small You Pick! Make an Offer!PetSafe Dog and Cat Door Replacement Flap, Medium/Small You Pick! Make an Offer! $21.99
Extra Large Xl 17"× 14" Lockable Pet Dog Flap Cat Dog Door White Free ShippingExtra Large Xl 17"× 14" Lockable Pet Dog Flap Cat Dog Door White Free Shipping $34.99 PetSafe SmartDoor Smart Door Electronic Pet DoorPetSafe SmartDoor Smart Door Electronic Pet Door $89.95 to $139.95
PetSafe Electronic SmartDoor Wall Conversion Kit Large Mpa11-12020PetSafe Electronic SmartDoor Wall Conversion Kit Large Mpa11-12020 $70.00 Trixie Pet Products 2-Way Locking Dog Door For Medium to X-Large DogsTrixie Pet Products 2-Way Locking Dog Door For Medium to X-Large Dogs $56.95
27"-32" Window Sash Pet Cat Dog Door 10 1/2" x 15" Extra Large Flap27"-32" Window Sash Pet Cat Dog Door 10 1/2" x 15" Extra Large Flap $128.95 PetSafe Replacement Flap Freedom Aluminum- Plastic- Extreme Weather Dog Pet DoorPetSafe Replacement Flap Freedom Aluminum- Plastic- Extreme Weather Dog Pet Door $26.49 to $59.95
High Tech Pet Products Extra Collar for Power Pet Doors in Model Ms-4 or Ms-5High Tech Pet Products Extra Collar for Power Pet Doors in Model Ms-4 or Ms-5 $39.99 to $49.99 Ideal Pet Products Replacement Flap For Ruff Weather Pet Door Rwrfxl NewIdeal Pet Products Replacement Flap For Ruff Weather Pet Door Rwrfxl New $29.26
Petsafe Small Brown Security Dead Bolt Pet DoorPetsafe Small Brown Security Dead Bolt Pet Door $24.99 Aluminum Medium Dog Doggie Pet Cat Patio Sliding Glass Door Mount Plastic FlapAluminum Medium Dog Doggie Pet Cat Patio Sliding Glass Door Mount Plastic Flap $134.99
Ideal Fast Fit Medium Sliding Glass Pet Door (Bronze)Ideal Fast Fit Medium Sliding Glass Pet Door (Bronze) $99.00 PetSafe Pet Door Replacement Flap, Large, Pac11-11039PetSafe Pet Door Replacement Flap, Large, Pac11-11039 $29.30
Small Cat Flap Frame Door Installation Wide Sash Window Custom Lockable WhiteSmall Cat Flap Frame Door Installation Wide Sash Window Custom Lockable White $107.99 Large Plastic Dog Door W/ Aluminum Lining 10.5"x15" Flap Size Pets Up To 100 LbsLarge Plastic Dog Door W/ Aluminum Lining 10.5"x15" Flap Size Pets Up To 100 Lbs $50.36
Medium Dog Door Flap Pet Gate Cat Safe Wall Entry Patio Enclosure Tinted FlapMedium Dog Door Flap Pet Gate Cat Safe Wall Entry Patio Enclosure Tinted Flap $35.03 Electric Pet Door Home Safety Large Electronic Fully Automatic Dog Cat PetsElectric Pet Door Home Safety Large Electronic Fully Automatic Dog Cat Pets $299.99
Extra Large 17" x 14" Pet Cat Dog Lockable Flap Door Gate w Telescoping Frame UsExtra Large 17" x 14" Pet Cat Dog Lockable Flap Door Gate w Telescoping Frame Us $34.55 White 4 Way Small Medium Pet Cat Kitten Dog Supply Lock Lockable Flap DoorWhite 4 Way Small Medium Pet Cat Kitten Dog Supply Lock Lockable Flap Door $16.90
Ideal Pet Products Replacement Flap/New Style Plastic/Deluxe Pet Door, ExtraIdeal Pet Products Replacement Flap/New Style Plastic/Deluxe Pet Door, Extra $12.55 Extra Large Pet Door Frame Durable Easy Install Dog Doggie Flap Mount Secure XlExtra Large Pet Door Frame Durable Easy Install Dog Doggie Flap Mount Secure Xl $54.99
S/L Size Easy Screen Pet Door Gate Way for Medium or Large Dogs Cats Puppy KittyS/L Size Easy Screen Pet Door Gate Way for Medium or Large Dogs Cats Puppy Kitty $17.90 to $18.90 Ideal Pet Products Replacement Flap Plastic Extra-Large Pet Door Dog NewIdeal Pet Products Replacement Flap Plastic Extra-Large Pet Door Dog New $24.77
Pet Scratch Protect Door Shield Attachment Dog Cat Screen Furniture Clear GuardPet Scratch Protect Door Shield Attachment Dog Cat Screen Furniture Clear Guard $16.77 Ideal Pet Products Replacement Flap Extra Large. Pet Door Dog Cat Xl 10.5" X 15"Ideal Pet Products Replacement Flap Extra Large. Pet Door Dog Cat Xl 10.5" X 15" $22.85
PetSafe Large SmartDoor Automatic Electronic Dog Door Ppa11-10709PetSafe Large SmartDoor Automatic Electronic Dog Door Ppa11-10709 $139.95 High Tech Pet Power Door Dog Collars Water Resistant Ms-4 Or Waterproof Ms-5High Tech Pet Power Door Dog Collars Water Resistant Ms-4 Or Waterproof Ms-5 $39.99 to $49.99 List price:  Previous Price $49.99
Ruff Weather, All Weather, Perfect Pet Set of 4 Fur Weather Stripping All sizesRuff Weather, All Weather, Perfect Pet Set of 4 Fur Weather Stripping All sizes $11.00 to $27.00 New White Extra Large M/L 17"X 14" Lockable Pet Cat Dog Flap Door Gate Clsv UsNew White Extra Large M/L 17"X 14" Lockable Pet Cat Dog Flap Door Gate Clsv Us $27.78 to $39.63
Perfect Pet All Weather Pet Doors in Small, Medium, X-Large, or Super Large SizePerfect Pet All Weather Pet Doors in Small, Medium, X-Large, or Super Large Size $79.95 to $141.95 Dog Mate Medium Dog Door WhiteDog Mate Medium Dog Door White $40.20
Pet Door Plastic Frame Sturdy 6 5 8 x 11 1 4 in Air Seal Heavy Duty Medium NewPet Door Plastic Frame Sturdy 6 5 8 x 11 1 4 in Air Seal Heavy Duty Medium New $70.13 Ideal Pet Replacement Flap Kit for Original Frame Dog Doors Old StyleIdeal Pet Replacement Flap Kit for Original Frame Dog Doors Old Style $28.97 to $37.97
Ideal Fast Fit Patio Pet Panel (Bronze)Ideal Fast Fit Patio Pet Panel (Bronze) $99.00 Pride Replacement Flaps (fits Johnson & Petsafe Ultimate)Pride Replacement Flaps (fits Johnson & Petsafe Ultimate) $49.99 to $99.99
Ideal Pet Products Screen Fit Pet Door, 9.75" x 10.5" Flap SizeIdeal Pet Products Screen Fit Pet Door, 9.75" x 10.5" Flap Size $15.79 Trending at $19.41 PetSafe Wall Dual Entry Aluminium Telescoping Pet Door for Dogs- Large Med SmallPetSafe Wall Dual Entry Aluminium Telescoping Pet Door for Dogs- Large Med Small $74.95 to $119.95
Wall Pet for All Weather Perfect Kit Dog Door medium, for 4.75" to 7.25"Wall Pet for All Weather Perfect Kit Dog Door medium, for 4.75" to 7.25" $38.50 B & W Gate Way Cat Dog Pet Door S M L 4 sizes Magnetic Flap Door for ScreensB & W Gate Way Cat Dog Pet Door S M L 4 sizes Magnetic Flap Door for Screens $14.90 to $18.90
Carlson Pet Weather Resistant 144-Inch Wide Pet Gate and PenCarlson Pet Weather Resistant 144-Inch Wide Pet Gate and Pen $118.88 PetSafe Freedom Pet Dog Puppy Door Replacement Flap Small SizePetSafe Freedom Pet Dog Puppy Door Replacement Flap Small Size $17.35
PetSafe Extreme Weather Pet Door White Large Ppa00-10986PetSafe Extreme Weather Pet Door White Large Ppa00-10986 $99.95 Ideal Fast Fit Patio Pet Door PanelIdeal Fast Fit Patio Pet Door Panel $99.00
Ideal Pet 5 In. X 7 In. Small Original Frame Pet Door Easy Installation DurableIdeal Pet 5 In. X 7 In. Small Original Frame Pet Door Easy Installation Durable $20.45 PetSafe Small SmartDoor Electronic Dog Door Ppa11-10711PetSafe Small SmartDoor Electronic Dog Door Ppa11-10711 $89.95
Carlson Pet Design Paw Extra Tall Expandable Pet GateCarlson Pet Design Paw Extra Tall Expandable Pet Gate $88.99 List price:  Previous Price $109.99 Ideal Ruff Weather Designer Series Pet Door - All SizesIdeal Ruff Weather Designer Series Pet Door - All Sizes $83.00 to $114.48
Ez-Fit: 36" Baby Gate Walk Thru Adapter Kit for Stairs + Child and Pet SafetyEz-Fit: 36" Baby Gate Walk Thru Adapter Kit for Stairs + Child and Pet Safety $19.50 Dog Pet Window Sill Ledge Protector - Sill Shield Guard Cover Prevents ScratchesDog Pet Window Sill Ledge Protector - Sill Shield Guard Cover Prevents Scratches $15.99 to $17.99
PetSafe Medium Wall Entry Aluminum Pet DoorPetSafe Medium Wall Entry Aluminum Pet Door $95.99 List price:  Previous Price $119.99 13.4'' x11.2" Medium Pet Cat Dog Puppy Lockable Door Flap Gate Telescoping Frame13.4'' x11.2" Medium Pet Cat Dog Puppy Lockable Door Flap Gate Telescoping Frame $29.90
$99.95 Ruff-Weather Pet Door - Super LargeRuff-Weather Pet Door - Super Large $179.95
Ideal Pet Ruff Weather Pet Door Flap - Extra Large-UsedIdeal Pet Ruff Weather Pet Door Flap - Extra Large-Used $24.44 Safe Dog/Cat/Pet Door Gate Extra Large 17"x14" Flap w/ Lockable Sliding ShutterSafe Dog/Cat/Pet Door Gate Extra Large 17"x14" Flap w/ Lockable Sliding Shutter $33.99
PetSafe Electronic SmartKey Smart Key for SmartDoor Pac11-11045PetSafe Electronic SmartKey Smart Key for SmartDoor Pac11-11045 $18.90 Dog Cat Flap Doors with 4 Way Lock for Pets Entry & Exit-2016 New DesignDog Cat Flap Doors with 4 Way Lock for Pets Entry & Exit-2016 New Design $6.99 List price:  Previous Price $69.95
Aluminum dog doors- 12 x 17 solidAluminum dog doors- 12 x 17 solid $28.43 PetSafe Replacement Flap for PetSafe Freedom Pet Door LargePetSafe Replacement Flap for PetSafe Freedom Pet Door Large $26.19
PetSafe Electronic Smart Pet Dog Door (Authorized Retailer)PetSafe Electronic Smart Pet Dog Door (Authorized Retailer) $114.99 to $154.99 Cardinal Dog Pet Door Wall Shield Scratch Claw Protector Barrier ProtectionCardinal Dog Pet Door Wall Shield Scratch Claw Protector Barrier Protection $14.99
Usa Pet Products 4-Way Locking Dog Door For Medium to X-Large Dogs Cats WhiteUsa Pet Products 4-Way Locking Dog Door For Medium to X-Large Dogs Cats White $8.39 to $11.54 Clear Plastic / Pvc Vinyl Dog House Door Strip 8" x 24" x 80milClear Plastic / Pvc Vinyl Dog House Door Strip 8" x 24" x 80mil $21.00
Small Medium 12lb Brown 4-Way Magnetic Lockable Cat Dog safe Flap Door Abs %Small Medium 12lb Brown 4-Way Magnetic Lockable Cat Dog safe Flap Door Abs % $12.90 PetSafe Wall Entry Aluminum Dog Door Double Flap System Small, Medium or LargePetSafe Wall Entry Aluminum Dog Door Double Flap System Small, Medium or Large $59.95 to $109.95
Ideal Pet Products Deluxe Aluminum Pet Door with Telescoping Frame, WhiteIdeal Pet Products Deluxe Aluminum Pet Door with Telescoping Frame, White $61.89 Trending at $64.30 Power Pet Electronic Automatic Motorized Dog Door High Tech Pet Large 31-100 lbsPower Pet Electronic Automatic Motorized Dog Door High Tech Pet Large 31-100 lbs $336.95
New listing
		Xl Extra Large Pet Door Premium Aluminum Replacement Flap Freedom Dog Cat SafeNew listing Xl Extra Large Pet Door Premium Aluminum Replacement Flap Freedom Dog Cat Safe $41.28 White Brown Cat Dog Pet Kitten 4 Way Flap Door Lock Safe Lockable Lock Door NewWhite Brown Cat Dog Pet Kitten 4 Way Flap Door Lock Safe Lockable Lock Door New $11.75 to $34.55
Walk thru Baby Pet Safety Secure Extra Wide Gate DoorWalk thru Baby Pet Safety Secure Extra Wide Gate Door $49.71 Large Locking Pet Dog Door - 11" x 9" (Opening Size) with Hard Plastic FlapLarge Locking Pet Dog Door - 11" x 9" (Opening Size) with Hard Plastic Flap $29.90
Pet Door Large Flap Magnetic Closure For Weather Freedom Your Dog And CatPet Door Large Flap Magnetic Closure For Weather Freedom Your Dog And Cat $30.34 4 Way Lockable Pet Flap Door For Medium Small Size Dog Cat 10" x 9" White4 Way Lockable Pet Flap Door For Medium Small Size Dog Cat 10" x 9" White $16.90
Walk thru Baby Pet Safety Safe Extra Tall Gate DoorWalk thru Baby Pet Safety Safe Extra Tall Gate Door $41.06 Pet Door Large Wall Entry Lockable Easy Install Large Dogs Flap Mount Big DoorPet Door Large Wall Entry Lockable Easy Install Large Dogs Flap Mount Big Door $49.37
Click to see more Dog Doors items at www.ebay.com
Prices current as of last update, 03/19/18 12:56pm.

Home Contact Resources Exchange Links ebay