Wall Liner Cat Flap Accessory, Liner Extension – 303W (White)

303W (White) ⬜ Wall Liner Cat Flap Accessory ▪ For thicker wall installations ▪ Paintable surface to any color ▪ Multiple liners can be added together ▪ Use an additional liner for each 2" of thickness ▪ Wall thickness: # of liners required 👉 2"-4": 1 liner 👉 4"-6": 2 liners 👉 6"-8": 3 liners 👉 8"-10": 4 liners 👉 10"-12": 5 liners ~ Liner extension is compatible with Cate Mate Flaps 234B (which I sell too) ★ See my other listings for Cat Mate Cat Flap Doors shown in the chart ★