Further information for Helios Ventilatoren STS 450 (1224)
STS 45 Flexible connection 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. temp 8 degrees C) on both sides with angle flange rings made of galvanized sheet steel. Porting pattern to DIN 24
55thMake: Helios No.:
224 Type: STS 45 ______________________________________