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

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Cat Doors & Flaps

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...

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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


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4 Way Pet Cat Puppy Dog Black Lockable Safe Flap Door Magnetic Lock Frame Abs4 Way Pet Cat Puppy Dog Black Lockable Safe Flap Door Magnetic Lock Frame Abs $12.50 to PetSafe Microchip Cat Flap Key Fob Pac54-16247PetSafe Microchip Cat Flap Key Fob Pac54-16247 $14.95
Cat glass window insert, white vinyl with shims, 52-58 high, 7x11 flap to 25 lbsCat glass window insert, white vinyl with shims, 52-58 high, 7x11 flap to 25 lbs $229.00 SureFlap White Electronic Microchip Pet Door w/Rechargeable Batteries & ChargerSureFlap White Electronic Microchip Pet Door w/Rechargeable Batteries & Charger $80.00
Pet Cat Kitty Door 4-Way Locking Kitten Entry & Exit Safe Gate 5.7" x 6.1" FlapPet Cat Kitty Door 4-Way Locking Kitten Entry & Exit Safe Gate 5.7" x 6.1" Flap $9.49 4 Way Locking Pet Cat Puppy Dog Magnetic Flap Door Entry & Exit Safe Gate Frame4 Way Locking Pet Cat Puppy Dog Magnetic Flap Door Entry & Exit Safe Gate Frame $9.47 to
Dog Door for Wall Steel Frame with Two Sliding Locking Panels & Magnetic FlapDog Door for Wall Steel Frame with Two Sliding Locking Panels & Magnetic Flap $154.90 eXtreme Dual Flap -Wall Mount Tunnel Aluminum Dog/Cat Door - (Small to X-Large)eXtreme Dual Flap -Wall Mount Tunnel Aluminum Dog/Cat Door - (Small to X-Large) $129.99 to
PetSafe Installation Adaptor for Microchip Cat Door for Glass or Metal InstallsPetSafe Installation Adaptor for Microchip Cat Door for Glass or Metal Installs $9.99 Cat Door Interior Door - No-Flap Pet Door for up to 20 Pounds BrownCat Door Interior Door - No-Flap Pet Door for up to 20 Pounds Brown $26.99
SureFlap Microchip Cat Flap Pet Door White - Chip sold separatelySureFlap Microchip Cat Flap Pet Door White - Chip sold separately $40.00 Large Black 4 Way Pet Cat Puppy Dog Lockable Safe Flap Door Frame Magnetic LockLarge Black 4 Way Pet Cat Puppy Dog Lockable Safe Flap Door Frame Magnetic Lock $11.99 to
16' x 21' Extra Large Dog Door Aluminum Pet Door Double Panels Automatic Close16' x 21' Extra Large Dog Door Aluminum Pet Door Double Panels Automatic Close $154.90 Cat Mate Electromagnetic Cat Flap, White New Open Box.Cat Mate Electromagnetic Cat Flap, White New Open Box. $29.99
New ListingCat Flap Door 4 Way Locking Weatherproof Pet Doors for Interior Exterior SlidingNew ListingCat Flap Door 4 Way Locking Weatherproof Pet Doors for Interior Exterior Sliding $27.49 Pet Cat Puppy Dog Lockable White Safe Flap Door Frame Magnetic Lock 4 Way AbsPet Cat Puppy Dog Lockable White Safe Flap Door Frame Magnetic Lock 4 Way Abs $12.25 to
New In Box Cat Door Holder Latch Let Cats in and Keep Dogs OutNew In Box Cat Door Holder Latch Let Cats in and Keep Dogs Out $11.00 Pet Cat Door 2 Way Interior Kitty Door Hidden Litter Box Small Medium Large CatsPet Cat Door 2 Way Interior Kitty Door Hidden Litter Box Small Medium Large Cats $22.99
SureFlap Single Scan Microchip Cat Flap Door Dscf001 (New Open Box)SureFlap Single Scan Microchip Cat Flap Door Dscf001 (New Open Box) $74.95 PetSafe Cat DoorsPetSafe Cat Doors $7.99
Adjustable Door Strap Cat Latch, Holds Door Open, Keep Dog Out of Litter Box, dbAdjustable Door Strap Cat Latch, Holds Door Open, Keep Dog Out of Litter Box, db $16.94 Door Buddy Door Prop for Cats - Easiest Cat Door Latch Holder to Keep InteriorDoor Buddy Door Prop for Cats - Easiest Cat Door Latch Holder to Keep Interior $21.00
SureFlap Microchip Cat Flap Open See PhotoSureFlap Microchip Cat Flap Open See Photo $75.00 Pet Cat Door Magnetic Flap Lockable Dog Gate Screen Sliding Medium Small DogsPet Cat Door Magnetic Flap Lockable Dog Gate Screen Sliding Medium Small Dogs $8.55
Large Cat Door (Outer Size 11" X 9.8"), 4 Way Locking Cat Door for Windows & SliLarge Cat Door (Outer Size 11" X 9.8"), 4 Way Locking Cat Door for Windows & Sli $32.48 Extra Large Cat Door (Outer Size 11" X 9.8"), 4 Way Locking Large Cat Door for IExtra Large Cat Door (Outer Size 11" X 9.8"), 4 Way Locking Large Cat Door for I $30.16
New ListingMahancris Cat Litter Box Enclosure for 2 CatsNew ListingMahancris Cat Litter Box Enclosure for 2 Cats $111.85 PetSafe Cd10-050-11 2-Way Interior Cat Door Small 1 lb - 15 lb Easy LockPetSafe Cd10-050-11 2-Way Interior Cat Door Small 1 lb - 15 lb Easy Lock $12.99
8"*7" Pet Door for Cat Kitten Dog 4 Way Lock Lockable Safe Flap Door Durable8"*7" Pet Door for Cat Kitten Dog 4 Way Lock Lockable Safe Flap Door Durable $9.59 Cat Door Built in Interior Pet Door for Small, Medium, & Large Cats - Cat DoorsCat Door Built in Interior Pet Door for Small, Medium, & Large Cats - Cat Doors $21.55
PetSafe Microchip Cat Door, 4-Way Locking, Weatherproof, Multi-User Rfid AccessPetSafe Microchip Cat Door, 4-Way Locking, Weatherproof, Multi-User Rfid Access $52.99 Side Sliding Window Door - Hefty Kat Large Cat Flap White Painted AluminumSide Sliding Window Door - Hefty Kat Large Cat Flap White Painted Aluminum 00006000 $235.00 to
Pride Pet Doors Rubber Assembly Replacement Pet Door Flap Large - 1 count Ld .Pride Pet Doors Rubber Assembly Replacement Pet Door Flap Large - 1 count Ld . $89.99 New ListingTc-Homeny Cat Litter Box Enclosure Cabinet Furniture Hidden Cat House WashroomNew ListingTc-Homeny Cat Litter Box Enclosure Cabinet Furniture Hidden Cat House Washroom $125.99
Cat door The Kitty Pass Interior Cat Door, Pet Door Hidden Litter BoxCat door The Kitty Pass Interior Cat Door, Pet Door Hidden Litter Box $29.95 4 Way Pet Cat Puppy Dog Magnetic Lock Lockable Safe Flap Door Gate Frame S M L4 Way Pet Cat Puppy Dog Magnetic Lock Lockable Safe Flap Door Gate Frame S M L $9.46 to
Pet Chubby Cat Sash Window Door White Aluminum Medium Flap 7.5 - 10.5 Inch, NewPet Chubby Cat Sash Window Door White Aluminum Medium Flap 7.5 - 10.5 Inch, New $118.84 SureFlap Pet Door Tunnel Flap Extender Only (White) Microchip Cat Dog New NipSureFlap Pet Door Tunnel Flap Extender Only (White) Microchip Cat Dog New Nip $15.00
SureFlap Microchip Pet Door Connect without Hub New in boxSureFlap Microchip Pet Door Connect without Hub New in box $235.00 4 Way Pet Door Cat Puppy Dog Magnetic Lock Lockable Flap Door Frame Magnetic Abs4 Way Pet Door Cat Puppy Dog Magnetic Lock Lockable Flap Door Frame Magnetic Abs $11.49 to
Whiskers and Windows Cat Door for Horizontal Sliding Windows, Large Cat FlapWhiskers and Windows Cat Door for Horizontal Sliding Windows, Large Cat Flap $215.00 Pet Doors - Dog Door for Screen Door Sliding Dogs Cat Animal Flap DoorPet Doors - Dog Door for Screen Door Sliding Dogs Cat Animal Flap Door $8.55
Extra Large Cat Doors, 4-Way Locking Cat Flap for Interior Exterior Doors, WeathExtra Large Cat Doors, 4-Way Locking Cat Flap for Interior Exterior Doors, Weath $33.74 4 Way Pet Door Cat Puppy Dog Magnetic Lock Lockable Safe Flap Door Frame Abs4 Way Pet Door Cat Puppy Dog Magnetic Lock Lockable Safe Flap Door Frame Abs $9.48
Vistaloo™ Window Cat Litter Catio/ Can be used as a Catio also.Vistaloo™ Window Cat Litter Catio/ Can be used as a Catio also. $125.00
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Prices current as of last update, 05/24/24 7:57am.

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