EasyPro Underliner Vent System - 4" End Outlet Fitting and 6" x 150' Roll Size:Underliner Vent System - End Outlet Fitting to 4" drain pipe which allows the Ultima II

which allows the Ultima II to handle more load even though it is smaller than bead filters

120° 6 Liters 15" x 12" x 16"

waterfall lights and fountain lights

Part No: FPRC3020

more frequently application is acceptable

EasyPro Underliner Vent System - 4" End Outlet Fitting and 6" x 150' Roll Size:Underliner Vent System - End Outlet Fitting to 4" drain pipe which allows the Ultima IIEasyPro lives up to their name with this great and unique vent system made to vent air, methane or water out from under a pond liner to prevent the liner from bulging upward. Just install the liner vent while building the pond, prior to installing the liner and putting in the decorative rock. Anyone who has ever had a liner lifted will understand how valuable this could be.