A reliable, white‑finished 4″ dryer vent kit that keeps your tumble dryer running efficiently while protecting your home from drafts and moisture. The kit’s external cowl with a backdraft flap stops wind from blowing back into the dryer, and the non‑return valve connector adds a second layer of protection against condensation and unwanted airflow.
What’s inside the box
- External cowl with closure flap (155 mm × 155 mm) – white finish
- 4″ (100 mm) non‑return valve connector
- Single‑brick wall pipe duct (363 mm × 111 mm × 52 mm)
- Brick‑pipe hose adaptor & threaded duct hose adaptor
- White fascia wall plate
- Fixings kit (8 Philips screws + 8 wall plugs)
- Roll of sealing tape
Why it works
- Double‑guard design – cowl + valve block drafts and condensation.
- Universal fit – compatible with any vented tumble dryer that uses a 4″ / 100 mm duct.
- Complete installation set – all brackets, screws and sealant needed for a quick, hassle‑free fit.
Ideal for DIY homeowners or professional installers, this kit delivers a tidy exterior wall vent that meets safety standards and helps your dryer stay dry and efficient. Search terms like dryer vent kit, 4 inch dryer vent, backdraft flap, and exterior wall duct are naturally woven into the description to improve visibility on Google while keeping the copy clear and user‑friendly.





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