Growth Science Strength - 55 GAL / 208 L Controllers Nordic Pure 12x24x2 MERV 8

Nordic Pure 12x24x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

thumb and finger loops are included to help prevent sleeves from riding up

It can be used on most plants to control all life stages of common garden pests insects and mites – egg

Includes optional hardware to secure three 120mm fans onto the grille

Growth Science Strength - 55 GAL / 208 L Controllers Nordic Pure 12x24x2 MERV 8Growth Sciences Strength is a silica supplement designed to strengthen cell walls. Strength was specially formulated to work with the Growth Science nutrient regimen to reduce stress while providing additional potassium at the early flowering stage to help the plant meet increased nutrient demands. Why use Strength? Silica is a necessary element in plants that is often overlooked. Silica strengthens cell walls and gives plants sturdy stalks and stems