Active Aqua Reverse Osmosis Membrane 100 GPD Inline Fans RedRock Block offers both set

RedRock Block offers both set sizes and custom size options for stonewool grow blocks to fit an operations specific needs

Don’t forget to reuse your bags

Ergonomic design reduces stress to the hand

Force of Nature® Fungicide is non-toxic to humans and animals when used as directed

they will just dry out

Active Aqua Reverse Osmosis Membrane 100 GPD Inline Fans RedRock Block offers both setA true thin film composite (TFC) reverse osmosis membrane, made from high quality TFC sheetstested and proven to be the best material available for membrane applications. Rated for 100 gallons per day with a stabilized salt rejection of 98. 6%. Fits most standard RO membrane housings.