Further information for Helios Ventilatoren FM 250 (1672)
FM 25 flexible cuff Flexible connector for installation between fan and duct system. Prevents sound and vibration transmission and bridged assembly tolerances. Elastic cuff silicone-free PVC fabric cloth, max. Temperature of 8 degrees C. hole pattern to DIN 24
55th With 2 hose clamps for fast assembly. Make: Helios CODE:
672 Type: FM 25 ______________________________________