Hydrologic Big Boy Carbon Filter meters-&-solutions SaferTM Brand 3-In-1 Concentrate contains

SaferTM Brand 3-In-1 Concentrate contains sulfur and insect killing soap derived from natural fats and plant oils

Product Dimensions: 5 1/2" x 5" x 3/8"

Patented package details: Wrapped 11 lb premium coir cube

Because of the great quantity of air in these pockets

Hydrologic Big Boy Carbon Filter meters-&-solutions SaferTM Brand 3-In-1 Concentrate containsKeep 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.