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

trapping every odor molecule that passes through the filter onto the micro-porous carbon surface

Allows user to secure large diameter glassware

including corn earworm

ACV Bandwidth

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.