Kootenay Filter Pre-Filter 500SL | Air Filter Replacement Light Meters + PAR Meters Universal Compatibility: Functions seamlessly with

Universal Compatibility: Functions seamlessly with any brand of rooting gel or powder to enhance strike rates

Valve Options: Normally Closed and Normally Open options are available for various sizes

Read the number the right way and this part is easy

Two-Way Control: Gives moisture back to a container that has dried and takes it in when the air is wet

and no spare parts to stock

Kootenay Filter Pre-Filter 500SL | Air Filter Replacement Light Meters + PAR Meters Universal Compatibility: Functions seamlessly withExtend Filter Life with the Kootenay 500SL Air Filter Replacement Designed for SL500 filters without a flange, the Kootenay Filter Pre Filter 500SL blocks dust, debris, and larger particulates from reaching and clogging your primary filter. This replacement pre filter enhances air filtration efficiency, supports odor control, and reduces system maintenance over time. With a 16'' diameter, 20'' length, and compatibility with 6'', 8'', and 10'' flanges,