PRODUCT DESCRIPTION The Dosatron D40MZ2BPVFHY is perfect for the indoor grower. It’s water-powered so no electricity is needed and it includes a union for easy installation into the Nutrient Delivery System. Easy to install and maintain. With flow up to 40 GPM, can be installed in parallel to increase the water flow. 63% fewer parts, metal free piston. PRODUCT SPECIFICATIONS Dilution Range: 0.2% to 2% Injection Range mL/gal: 7.5 to 75 mL/gal Water Flow Range: 2.2 to 40 GPM Operating Pressure Range: 4.3 to 116 PSI Available Housing Materials: Polypropylene (Standard Blue) Dimensions: 25 1/4” x 8 1/2” Weight: 12 lbs Connection Size: 1 1/2” NPT Maximum Temperature: 104o F Included Accessories: 6’ clear suction tube, weighted strainer, mounting bracket and operating manual Recommended Accessories: 200 mesh filter, check valve, pressure regulator, flow restrictor