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• Bogarts Boutique
• Gates
• Furniture
• Flea and Tick
• Feeding and Watering
• Doors
• Dogloo KD Door Large 20" x 17.5" x 3"
• Petbarn III Door Small 14.3" x 10.6" x .1"
• 300 Series Tunnel Extension White
• Clear Hard Door Flap Small White 10.5" x 1.2" x 7.8"
• Clear Hard Flap Door Medium White 14.8" x 2.2" x 11.8"
• Clear Hard Flap Door Large White 18.8" x 2.2" x 15.8"
• Transformer Kit F 800 Series
• Single Replacement Flap Small
• Single Replacement Flap Medium
• Single Replacement Flap Medium and Tall
• Single Replacement Flap Large
• Single Replacement Flap Extra Large
• Deluxe Pet Panel Satin Small
• Deluxe Pet Panel Medium Satin
• Deluxe Pet Panel Large and Tall Satin
• Deluxe Pet Panel Small Bronze
• Deluxe Pet Panel Small White
• Deluxe Pet Panel Medium Bronze
• Deluxe Pet Panel Medium White
• Deluxe Pet Panel Large White
• Deluxe Pet Panel Large and Tall Bronze
• Deluxe Pet Panel Large and Tall White
• Wall Entry Inner Extension SmartDoor Large
• Smart Pet Doorbell
• Wall Entry Kit SmartDoor Small
• Wall Entry Kit SmartDoor Large
• Pet Door Installation Kit
• Replacement Flap For Small Freedom Door
• Replacement Flap For Medium Freedom Door
• Replacement Flap For Large Freedom Door
• Replacement Flap For Extra Large Freedom Door
• SmartKey - One Size Fits All
• Freedom Door Premium Small White
• Freedom Door Premium Medium White
• Freedom Door Premium Large White
• Freedom Door Premium Extra Large White
• Plastic Pet Door Premium Small White
• Plastic Pet Door Premium Medium White
• Plastic Pet Door Premium Large White
• Plastic Pet Door Premium Extra Large White
• Extreme Weather Door Small White
• Extreme Weather Door Medium White
• Extreme Weather Door Large White
• SmartDoor Large
• SmartDoor Small
• Wall Entry Aluminum Pet Door Small
• Wall Entry Aluminum Pet Door Medium
• Wall Entry Aluminum Pet Door Large
• Quick Fit Replacement Flap Medium
• Quick Fit Replacement Flap Small
• Outback Dog House Door Small 14.5" x 9.8"
• Deluxe Pet Panel Small White
• Cat Flap
• Four Way Cat Flap White
• Pet Screen Door
• 400 Series Magnetic Key Pack
• Mag White Cat Flap 4 Way Lock
• 4 Way White Cat Flap
• 4 Way Big White Lock Cat Flap
• Deluxe Pet Panel Small Bronze
• Deluxe Pet Panel Large and Tall Bronze
• Deluxe Pet Panel Large and Tall White
• DNA Test
• Crates
• Containment Systems
• Collars and Leashes
• Agility Training
• Bark Control
• Grooming
• House Breaking
• Houses
• Water Safety
• Wellness
• Waste Management
• Travel
• Treats and Bones
• Toys
• Training
• Sporting Dog
• Puppy Package
• Memorials
• Kennels
• Beds

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300 Series Tunnel Extension White

This tunnel extension is designed for the Staywell 300, 400 and 500 series cat flaps. It adds an extra 1-7/8" of depth, and you can combine more than one for even thicker walls and doors.
Price: $6.04 each