The Helios BM 315 pipe clamp connectors offer an easy and efficient way to connect fans to 315 mm diameter circular ducting. Supplied as a pair, these clamps are designed to fit snugly over ducting and fan spigots, ensuring a reliable connection. Featuring anti-vibration foam, they reduce noise and vibration transmission between the fan and ductwork, enhancing system performance. Available in a range of sizes from 180 mm to 710 mm, the BM 315 is part of a comprehensive solution for secure and quiet ventilation installations.