These products are self-adhesive and are very easy to fit. Self adhesive.
eBay
Universal Air Lock Window Seal Cloth Plate Hot Airs Stop Conditioner Outlet Window Sealing Kit for Mobile Air Conditioner
Aliexpress UK
6M Door Rubber Seal Weather Strip Foam Sticky Tape for Window Draught Excluder. Length: 6m. 1 x 6M Silicone Rubber Weather Strip. Use a hair dryer to blow against the glued side of weather strip,peel off the protective tape to reveal the sticky section and put in place.
eBay
Portable Air Conditioner Window Vent Kit AC Exhaust Hose Universal Coupler Adjustable Window Seal Universal Duct Extension Pipe
Aliexpress UK
Introducing the5M/10M Rubber Seal Weather Strip Foam Sticky Tape, a high-quality draught excluder designed to reduce noise, block dust, prevent wind, and improve insulation for both doors and windows.
eBay
3/4 Meters Waterproof Window Seal for Portable Air Conditioner Tilting Sloping Windows Easy to Install Double with Tension Rope
Aliexpress UK
uPVC Window & Door Bubble Gasket Seal Flipper Double Glazing Rubber Draught Seal Main material: elastomer or rubber Application: doors and windows Color:black/white Advantages:Selected materials, sound insulation and dust removal, TPE material elasticity, long service life, acid and alkali resistance, resistance to cold and heat, environmental protection, no aging, no deformation.
eBay
Waterproof Window Seal for Portable Air Conditioner Tilting Sloping Windows Easy to Install Mobile Air Conditioner Cloth
Aliexpress UK
Draught Proofing. Why Draught Proof?. The amount of air infiltration to your property will also depend on its exposure to wind so if you are on a hillside or near the coast then it is even more beneficial for you have good draught proofing.
eBay
Universal Window Seal For Portable Air Conditioner And Tumble Dryer Window Sealing Air conditioner sealing cloth
Aliexpress UK
uPVC Window & Door Seal Gasket, Replacement Rubber Bubble Strip, Black, 30m, JCP.
eBay
3/4M Waterproof Window Seal For Portable Air Conditioner Tilting Sloping Window Easy To Install Double With Tension Rope Sealing
Aliexpress UK
Suitable for :all kinds of gap filling, waterproof, dustproof and soundproof. Material: Polyurethane rubber. Color: see pic. There might be a bit color distortions due to different computer resolutions.
eBay
Universal Window Seal For Portable Air Conditioner Window Sealing Air conditioner sealing cloth for home Dormitory
Aliexpress UK
The exterior door weather strip total length 6m, Width: 9mm;. Length: 6m. 1pc 6m Silicone Rubber Weather Strip. Use a hair dryer to blow against the glued side of weather strip,peel off the protective tape to reveal the sticky section and put in place.
eBay
AT44-Portable Air Conditioner Window Vent Kit With 5.9In Exhaust Hose Seamless Adjustable Sliding Door AC Kit Window Seal Kit
Aliexpress UK