Doors & Flaps
doors & flaps — pre-owned
Browse 230 doors & flaps — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
PetSafe Medium Plastic Pet Door Dog & Cat 1-40 Lb Open Box As-is 8 1/8 X 12 1/4"
Dog Door for Sliding Glass Door Magnetic 3 Flap Extreme Weather Large
Size Compatibility Recommended height from top track to bottom track: 92-1/4” to 96-1/2” Frame dimensions: 91-1/4” to 96-1/4” Flap opening: 10-3/16” W x 16-5/16” H This sliding glass dog door insert requires measuring your door frame and your dog to ensure proper fit. ⸻ Durable Construction Made from thick aluminum alloy and tempered glass, providing durability and insulation. The sturdy design helps prevent deformation even with active dogs. ⸻ 3-Flap Weather Protection The door features a 3-flap design with double magnetic closure, helping prevent wind or rain from opening the flap. ⸻ Security Design The aluminum panels and locking mechanism help control pet access and improve indoor security.
Wayzn Smart Pet Door Automatic Sliding Door Opener Unit Only
See
Automatic Electronic Dog Door Smart Sensor Key Large Pet Flap Up To 85lb G2U
Premium Products.
You save $30.45
MAGNADOR TWO WAY PET DOOR WHITE - New Old Stock - Open Box x
The box is open. I don't know if anything is missing. There will generally be a ruler in the last picture. Be aware that the device you use may affect the quality of the pictures.
Dog Door for Sliding Glass Door, Adjustable Height 75 4/5" to 80 3/10" -LARGE
Sleek design blends with your décor while maintaining full sliding door functionality. Perfect for small dogs and cats, this size ensures easy access. Ensures a secure, snug installation while providing comfortable access for pets.
SAFETY FIRST WOODEN EXPANDABLE GATE FOR BABIES OR PETS 26 BY 24 INCHES
Length: 26" (expands to 44"). Height: 24".
PetSafe Wall Entry Pet Door Flap Seal Large 14x9 Inner Opening
If an item is expected in the photos but not shown, listed, stated, or disclosed. • Any major issues or flaws will be clearly described and/or photographed. For absolute clarity, reach out before buying.
PetSafe Small 1-15lbs Freedom Aluminum Pet Door 5 1/4" X 8 1/8" Open Box As-is
Made of lightweight aluminum, this door is designed to be easy for small dogs to push open and closed.
Unused Hale Pet Door Wall Mount 8"x11" Tunnel Style Aluminum Frame WLSM 121342
The lock is the kind you turn to the right to close it up, turn to left to open and pull out the panel. The rough opening size shows 8.5" wide, 11.5" height, so designed for small pets. Unused-in original box, (taken out of the box to get photos and confirm all of the contents).
Large Aluminum Dog Door Exterior Double Flap Pet Door Lock Panel Heavy Duty
• Flap Opening: Approx. 18.7” H x 9.92” W. Condition: Pre-owned in great condition with light signs of use. Includes hardware and instructions. Missing one small screw, but extra hardware appears included.
You save $22.50
Ideal Pet Products Original Plastic Pet Dog Door---ALL SIZES
This is unused uninstalled, but does not come with original packaging or instructions.
PetSafe Electronic Smart Pet Dog Door Small 4 to 15lbs, Open Box
The PetSafe Electronic Smart Pet Dog Door is a locking flap door made of durable plastic, designed for small dogs weighing between 4 to 15lbs. This model, PPA11-10709, allows your furry friend to enter and exit your home independently while keeping unwanted animals out. With the convenience of electronic operation, this product provides a secure and safe solution for your small dog's access to the outdoors.
You save $2.76
Adjustable Dog Door Sliding Glass Door Patio Panel 75.6”–80” Pet Door Large Dogs
Designed to fit most standard patio doors, this panel installs easily without permanent modification. • Adjustable height fits approx. 75.6” to 80” sliding doors. • Secure fit with adjustable panel design.
You save $6.43
Dog Patio Door Insert with Flap, Plastic & Metal
15” wide. 78” to 81” adjustable height.
Baboni 3-Flap Large Pet Door for Wall | Steel Frame, Aluminum Lock | Used
Baboni Large 3-Flap Pet Door for Wall Installation – used, clean, and in good condition. Perfect for dog or cat owners needing a secure and weatherproof solution for pet access through the wall. Mounting Type: Wall-mount.
Petsafe Aluminum Pet Door Dog Cat Door Small 1-15 lb's White PPA00-10859
The door is in new condition. The Petsafe Aluminum Pet Door is a small-sized pet door designed for dogs and cats weighing between 1-15 lbs. Made from durable aluminum, this door by PetSafe is a reliable and secure option for pet owners. With its model PPA00-10859, this pet door is easy to install and provides a convenient way for pets to access the outdoors on their own.
Smart Electronic Pet Door, Automatic Cat Dog Door with 3 Modes, Battery Power SM
Photos show the exact item you’ll receive. Please check them closely, as no extra pieces or accessories are included Size small
2 Pack Pet Door Replacement Flap w/ Magnetic Closure MEDIUM 8 1/4" w x 12 3/4 *
Quality and value here! Condition: Open box. New condition. Box has a little wear to note.
You save $13.50
CARLSON PET PRODUCTS WHITE METAL EXPANDABLE GATES FOR BABIES OR SMALL PETS
Weight: 6 lbs.
AJKJ Smart Electronic Pet Door Automatic Sensor for Cat or Small Dog w/ 1 Key
AJKJ Smart Electronic Automatic Pet Door for Cat or Small Dog. Includes 1 Key for 1 Pet. Batteries not Included. Smart Design: 3 Mode-Locked-Unlocked-Automatic.
Plastic Large Dog Door for Exterior Door Strong Magnetic Flaps HD Telescoping
Designed for Pet Freedom:Allow dogs to go in and out freely without any owner's assistance. DURABILITY: Made of premium plastic material, it has excellent durability and thermal insulation performance, which is better than similar steel products and will never rust during use.
You save $5.90
Wayzn Smart Pet Door Automatic Sliding Door Opener Parts Not Working
Wayzn Smart Pet Door Automatic Sliding Door Opener for parts not working Item lights up when plugged in.
*SCRATCH & DENT* CLEAR WINDOW SILL LEDGE PROTECTORS - GUARDS FROM DOG CLAWS
The Sill Shield can't be cut with a scissor, and is so thick and durable that it prevents your dog's claws from making indentations in your wooden window sill! These protectors do not have cutouts to conform to such trimwork.
ZOUTEX X-Large French Dog Door Aluminum Frame Magnetic Flap XL Opened Brand NEW
Give your large dog the freedom they deserve with this ZOUTEX X-Large French Style Dog Door — engineered for strength, insulation, and modern design. Perfect for large breeds up to 220 lbs, with a generous 15 7/8" x 23 5/8" flap opening that accommodates tall and wide dogs comfortably.
16x21x2in Large Dog Door Aluminum Pet Door Double Panels Automatic Close
The 16x21x2in Large Dog Door is a high-quality aluminum pet door designed for large dogs. With double panels and an automatic close feature, this door provides safety and convenience for your furry friend.
You save $10.00
Medium Vertical Pet Door For Sliding Glass Window 33"x11.5" Ideal Pet Prod. READ
34"x11.5", but is adjustable down to 31". This model is used on a sliding glass window, not a sliding glass door. I think it would mostly work for cats and smaller dogs. There was originally a hard plastic piece you could slide over the flap to prevent animals from getting in and out.
Ideal Pet Products Extra Large Pet Door 15x10.5 White New in Box
Perfect for doors 1-1/4" to 2" thick, this XL model fits pets up to 90 lbs and includes everything needed for straightforward installation.Key Features & Specifications Grab this before it's gone! Pet Weight Capacity: Up to 90 lbs.
High Tech Pet Door Mount Dog Door with Built-In Flap White
The High Tech Pet Door Mount Dog Door with Built-In Flap in White is a high-quality and durable pet door that allows your dog to access and exit your home with ease. Originally $600, lightly used.
Black Patio Panel Dog Door with Built-In Pet Flap Aluminum Plastic
18” wide, adjustable height 80” to 84”.
Small Aluminum Pet Door Dog Cat Magnetic Lockable Flap Screen Gate Frame Black
The Liberty Pet Door for Walls is a durable and energy-efficient solution designed for pets of various sizes. Featuring a clear vinyl flap for easy use, this pet door is ideal for both cats and small dogs.
You save $140.00
Extra Large Dog Door for Wall Heavy Duty Aluminum Frame Pet Door
Built with durability and insulation in mind. Extra Large Heavy Duty Dog Door for Wall. • Extra large opening – ideal for large dogs. • Lockable sliding panels for added security.
You save $8.11
PetSafe Plastic Pet Door White PPA00-10958 Size Small 1-15 LB - New Open Box
Baboni 3-Flap Pet Door for Wall,Steel Frame and Telescoping Tunnel
AUTOFEEDOG DOUBLE-FLAP PET DOOR WALL DOOR WITH CLOSING PANEL LOCK SMALL - WHITE
FLAP PET DOOR WALL DOOR WITH CLOSING PANEL LOCK SMALL - AUTOFEEDOG DOUBLE. • BUILT STRONG, BUILT SECURE: Unwavering quality and protection for Your Pets.
TBCPET Pet Door for Wall Steel Frame & Telescoping Tunnel 2 Flap Small
DOOR DOESN'T LOOK LIKE IT WAS EVER USED BUT TOP CORNER AND BOTTOM CORNER WAS BENT A LITTLE IN SHIPPING I STRAGHTEN THEM OUT PLEASE SEE ALL PICS BEFORE BUYING THANKS FOR LOOKING.........The TBCPET Pet Door for Wall is a small locking flap door designed by Baboni for small dogs. Constructed with metal material, this door features a steel frame and a telescoping tunnel that provides a secure and safe entrance for your furry friend. The Baboni brand ensures quality and durability, making this pet door a reliable choice for pet owners looking to give their small dogs access to outdoor spaces.
You save $1.43
Ideal Pet Products Aluminum Pet Door Medium Cat Dogs 35 lbs Flap Magnetic Seal
Ideal Pet Products Aluminum Pet Door. For Cats and Dogs up to 35 lbs. Flap Magnetic Seal. Self-locking slide. The box is still sealed with the Amazon Warehouse inspection tape.
Dog Stairs Large Dogs 4 Step Foldable Ramp For Trucks SUV Beds Etc…
The DeerGym 4 Step Foldable Dog Stairs are designed for large dogs, providing a sturdy and safe solution for accessing trucks, SUVs, and other high places. Made of durable aluminum, these stairs are lightweight and easy to fold for storage when not in use.
You save $7.20
PetSafe Plastic Pet Door - Easy Install for Wood, PVC Metal & Paneled Doors-XL
Endura Flap Pet Door for Small Dogs | Walls Double Flap Black Energy Efficient
This small flap pet door is designed for easy DIY installation, allowing you to customize it for any wall thickness. Manufacturer: Endura Flap. Seamless Design Integration: Flush mount pet door seamlessly integrates with your wall, using existing trim for a polished, professional look.
You save $160.00