14x25x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack spl_hw This pump has 3 impellers

This pump has 3 impellers

Yields are up and the plants look healthier going into late flower than ever before

The Max-Fan saves space

At 1ml/gallon

14x25x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack spl_hw This pump has 3 impellersNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in