18x24x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack Environmental Controllers 8 oz Extreme Serene

8 oz Extreme Serene

The reflective cup design makes the lighting more concentrated

The Active Air CO2 Test Kit is an inexpensive alternative to costly electronic monitors

Dimmable power supply included

SPUN SEDIMENT FILTER 4

18x24x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack Environmental Controllers 8 oz Extreme SereneNordic 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