Pair of knee pads with wide velcro straps grow-system/-trays/-reservoirs Triple surface aluminum fins and

Triple surface aluminum fins and elevated rubber feet provide efficient cooling

Grow Part A (1-0-1) is part of Rx Green Solutions' 4 Part Professional Nutrient Series

Backdraft damper at outlet: Included

fish meal and naturally occurring organic material that is formed when organic matter decomposes

Pair of knee pads with wide velcro straps grow-system/-trays/-reservoirs Triple surface aluminum fins andThese Zenport GS406 Safety Knee Pads have protection for both kneeling and knee kicking, so they stay on at all times. The extra wide Velcro straps won't pinch your legs, even when wearing shorts. Zenport GS406 Safety Knee Pads are fabricated from flexible, yet durable ballistic nylon, and is machine washable.