Complete installation kit to install the EnviroComfort reverse-cycle retrofit units. Includes everything from supply and return air grilles to seawater pump to hose clamps. Includes: Supply grille, 12.5' R4.2 flex duct, return grille, 25' hose, ball valve, strainer with bracket and speed scoop, 5/8" thru hull, hose clamps, adapters, seawater pump, and couplings.
