Underliner Vent System, 150 foot roll Air Filters They can be used with

They can be used with any brand pump and they have a clear lid for easy inspection

Use this 12"x18" nylon bag with draw-string & push button to hold all types of filter media

3 year warranty on compressor

300′ of 3/8″ QuickSink

Underliner Vent System, 150 foot roll Air Filters They can be used withThis Underliner Vent System helps protect pond liners from damage caused by methane gas and water accumulation beneath the liner. It is a prefabricated 6 inch strip consisting of a molded grid wrapped in geotextile fabric to permit a high flow of water into the grid while restraining soil particles. By simply laying a strip of Underliner Vent on the ground before installing the liner you can prevent costly future problems. This easy to install system