Hydrologic Big Boy Carbon Filter spl_ps Their bright color makes them

Their bright color makes them easy to locate

A grower’s choice lamp for over 10 years

at any stage of growth

Also included are an excellent natural additive

Flow‐through mounting incorporates a special compression fitting which allows adjustable insertion length in 3/4 inch NPT piping or in the side of a tank

Hydrologic Big Boy Carbon Filter spl_ps Their bright color makes themKeep your water fresh, your equipment in tip top shape, and your grow room at its best by making the commitment to exchange your filters. This carbon filter works with the Big Boy water filtration system and slips in easily to replace the one that came with your unit or additional replacements along the way.