--- product_id: 742553673 title: "Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White" brand: "sureflap" price: "€ 85.92" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.pt/products/742553673-sure-petcare-sureflap-microchip-cat-flap-tunnel-extender-wall-installation store_origin: PT region: Portugal --- # 50mm extension per unit Tool-free easy installation Seamless stacking for custom length Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White **Brand:** sureflap **Price:** € 85.92 **Availability:** ✅ In Stock ## Summary > 🚪 Unlock seamless access with every extension! ## Quick Answers - **What is this?** Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White by sureflap - **How much does it cost?** € 85.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/742553673-sure-petcare-sureflap-microchip-cat-flap-tunnel-extender-wall-installation) ## Best For - sureflap enthusiasts ## Why This Product - Trusted sureflap brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Snap-On Simplicity:** No tools needed—just slide on and secure for instant use. - • **Perfect Compatibility:** Works flawlessly with SureFlap Microchip, DualScan, and Connect models. - • **Durable & Low Maintenance:** Lightweight plastic design that’s easy to spot clean and built to last. - • **Tailor-Made Tunnel Length:** Stack multiple extenders to create the ideal passageway for your pet. - • **Extend Your Cat’s Freedom:** Add 50mm increments to fit any wall thickness effortlessly. ## Overview The Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender is a sleek, white plastic accessory designed to extend the tunnel length of SureFlap cat flaps by 50mm increments. Compatible with multiple SureFlap models, it installs easily without tools and can be stacked to accommodate thicker walls, ensuring your pet’s smooth passage and enhanced home integration. ## Description Made for wall installations, each tunnel extender adds 50mm to the overall length of the 70 mm long cat flap tunnel. Multiple tunnel extenders can be stacked together to create a cat flap tunnel of varying length. This tunnel extender fits snugly onto the tunnel of the SureFlap Microchip Cat Flap, the DualScan Microchip Cat Flap or the Microchip Cat Flap Connect and helps bridging walls of greater thickness. ## Features - COMPATIBILITY: Works with SureFlap Microchip Cat Flap, SureFlap DualScan Microchip Cat Flap and SureFlap Microchip Cat Flap Connect. - EXTRA EXTENSION: Adds and extra 50mm to the 70mm tunnel of the cat flap. - EASY TO USE: Fits snugly onto the cat flap tunnel. - EASY TO INSTALL: Made of plastic and doesn't require any additional tools to install. - CUSTOMISATION: Simply stack multiple extenders together to create the required tunnel length. ## Technical Specifications | Specification | Value | |---------------|-------| | Are Batteries Required | No | | Asin | B0D9H9LYWS | | Batteries Are Included | No | | Brand Name | SureFlap | | Breed Recommendation | Large BreedS, Small Breeds | | Capacity | 1.7 cups | | Colour | White | | Country Of Origin | USA | | Customer Reviews | 4.5 4.5 out of 5 stars (101) 4.5 out of 5 stars | | Dog Breed Size | All | | Global Trade Identification Number | 05060180394370 | | Item Type Name | Cat Flap Accessory | | Item Weight | 91 g | | Manufacturer | Sure Petcare | | Manufacturer Part Number | 211700 | | Material Type | Plastic | | Model Number | 211700 | | Number Of Items | 1 | | Number Of Packs | 1 | | Product Care Instructions | Spot Clean Only | ## Product Details - **Brand:** SureFlap - **Capacity:** 1.7 cups - **Colour:** White - **Material:** Plastic - **Product Care Instructions:** Spot Clean Only ## Images ![Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White - Image 1](https://m.media-amazon.com/images/I/513Y2gPZvIL.jpg) ![Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White - Image 2](https://m.media-amazon.com/images/I/81sTVBgWl+L.jpg) ![Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White - Image 3](https://m.media-amazon.com/images/I/81X5Fq9UHFL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Work perfect, used on OnlyCat *by on Reviewed in the United Kingdom 25 June 2025* I mean, they are tunnel extenders from a reputable brand. They link together fine, I used 5 to get through a double skin wall.I also didn’t use them on a sure flap cat flap, I use an OnlyCat which these also fit perfectly one. Just a bit of glue and tape and it’s solid. ### ⭐⭐⭐⭐⭐ Buono *by on Reviewed in Italy 27 February 2026* Conforme alla descrizione ### ⭐⭐⭐⭐ good but how many do you need? *by on Reviewed in the United States 9 May 2026* Be sure to measure the length of your tunnel because you may need more than one of these extenders! ## Frequently Bought Together - Sure Petcare SureFlap Microchip Cat Flap Tunnel Extender, Wall Installation Accessory, White - SureFlap Microchip Cat Flap Mounting Adaptor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/742553673-sure-petcare-sureflap-microchip-cat-flap-tunnel-extender-wall-installation](https://www.desertcart.pt/products/742553673-sure-petcare-sureflap-microchip-cat-flap-tunnel-extender-wall-installation) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-11-14*