Underlayment Flow Rate at 20 Feet of Head_2640 GPH 10' x 12' - DW10300

10' x 12' - DW10300

Hose clamps included

Works within 24 hours

MICROBE-LIFT/CMC is not only a nutrient source for koi

All Other Replacement A-Series Parts

Underlayment Flow Rate at 20 Feet of Head_2640 GPH 10' x 12' - DW10300This soft, polypropylene fabric will last 20+ years under your liner. It is a 3 dimensional underlayment that allows gas to escape. It has a non slippery surface and provides protection for the liner from rocks and other sharp objects, spreads easily, and saves time compared to using newspaper or sand. This is a non woven, needle punched Geotextile. Please note: Due to this item's size and weight, it will be shipped freight. A valid contact number is