Deta In-Line Shower Fan Kit 4 Inch / 100mm  

The Deta 4640 in-line shower fan kit is a complete 100 mm ventilation solution, ideal for bathrooms and shower areas. Featuring a remote axial fan with an adjustable 2–30 minute timer, it ensures continued extraction after use to reduce humidity and condensation. The kit comes with 3 m of flexible PVC ducting, external wall grille, ceiling grille, and fixings — meaning no additional parts are required. Operating at a quiet 33 dB(A) @ 3 m and offering an extraction rate of 30 L/s (107 m³/h), it balances performance with comfort. With its IPX4 splash-proof rating and built-in backdraught shutter, the Deta 4640 is a trusted choice for effective, hassle-free shower ventilation.