Upgraded TRS21 Compressor Head Lighting & Electrical Components These mesh openings around the

These mesh openings around the net cup allow for roots to grow through

including corn earworm

making it ideal for beginners and seasoned hydroponic growers alike

drainage and nutrient and water retention

This package includes two machine washable pre-filter cloths that prevent carbon residue and two rope clip hangers for suspending the large carbon filter above the ground

Upgraded TRS21 Compressor Head Lighting & Electrical Components These mesh openings around theUpgraded TRS21 Compressor Head Complete, Stainless Fittings, Viton Upgrade your TRS21 by purchasing a new Compressor Head with Viton O rings for butane and propane gas compatibly and stainless steel fittings to meet FDA guidelines on handling of consumable products. This head is assembled here in the USA and is a direct replacement for any TRS21 Compressor Head.