Hydro-Logic® PreEvolution Chlorashield Size:Hydro-Logic PreEvolution Chlorashield Come in packs labeled with

Come in packs labeled with instructions

The 18 in fixture is designed specifically to fit Super Sprouter® Light Track Domes

Increases mass and stimulates resinous oil and fragrance production in many culinary and medicinal herbs

The EcoPlus® Elite Series Electronic Jet Pump is perfect for supplying water to domestic

hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes

Hydro-Logic® PreEvolution Chlorashield Size:Hydro-Logic PreEvolution Chlorashield Come in packs labeled withHydro Logic PreEvolution Chlorashield reduces iron, sulfur, chlorine, chloramines and heavy metals. The pre filters double the filter life. Great for city or well water! Bacteriostatic qualities do not allow microbes to breed in filter. #728772 is 20 in x 2. 5 in. #741630 is 12 in x 2 in. #741640 is 10 in x 4. 5 in.