ICCH- ISOTECH 1″ Deflection Deck Suspended Pre-Compressed Compact Ceiling Hanger With Inline Spring Neoprene Cup. Great for situations that require space saving solutions in tight spaces. Spring and Housing are powder – coated to provide maximum corrosion resistance with colour coding. All springs have additional travel to solid equal to 50% of the Rated Deflection. Minimum Kx/Ky ratio of 0.8 – All Elements are safe at solid load. The spring is supported by Neoprene cup to provide maximum efficiency on vibration.