EasyPro Replacement Diaphragm kit for CMC8/CAS4 pond liner and underlayment combo The indicator light shines green

The indicator light shines green to show the water temperature is below freezing and the De-Icer is in operation

so it has no adverse effect on the aesthetics of ponds and water features

½" irrigation line and ½" Sch40 PVC

allows for simple routine maintenance

Maintaining a small opening in the ice will vent the gas during the winter

EasyPro Replacement Diaphragm kit for CMC8/CAS4 pond liner and underlayment combo The indicator light shines greenMPN: CMC8RK Complete Aeration Series replacement diaphragm kit for quad outlet compressor (CMC8 from CAS4 kits). Compact Aeration Series compressors have rubber diaphragms that wear out over time and need to be replaced. This kit includes two diaphragm assemblies with instructions to get the CMC8 compressor (in CAS4 kits) back to proper performance.