Grow1 (16L/4Gal) Back Pack Sprayer air-purification Capable of producing more than

Capable of producing more than 1

which allow you to choose seal time

SBH175 and SBC250 Sunburst systems

so competing lines will have you buy separate products to supplement calcium and magnesium

Grow1 (16L/4Gal) Back Pack Sprayer air-purification Capable of producing more thanGrow1 4 Gallon (16L) Backpack Sprayer The Grow1 4 Gallon Backpack Sprayer is made from the highest grade polyethylene plastic that resists corrosion from insecticides or herbicides. This light weight Sprayer is ideal for spraying water, fertilizers, herbicides, pesticides, and more. It is worn conveniently on the operator's back, like a backpack, for maximum portability and ease of use. Features: 3 Interchangeable nozzles for different spray patterns