Dosatron Water Powered Doser 40 GPM with Kalrez Seals for PAA - 1.25 to 4.85mL per gal (D8RE3000VFBPIIK)
The D8RE3000VFBPHY is perfect for the indoor grower. It’s water-powered so no electricity is needed and includes a union for easy installation into the Nutrient Delivery System (NDS). w/ Kalrez Seals