Air Box Refill Carbon Filter Replacement for Air Box 1, 2, 3 MRCOOL 192 Packs Per Case: The

192 Packs Per Case: The deepest retail configuration in the 67 g 72% line

A pair of liquid-filled stainless steel gauges read input and output pressure

The composite body handles up to 140 psi and threads into a 3/4 in run

Use in conjunction with Ventana Plant Science's Support during the first 6 weeks of growth at a rate of 10-20 mL per gallon

Air Box Refill Carbon Filter Replacement for Air Box 1, 2, 3 MRCOOL 192 Packs Per Case: TheSpecial Order Note: Returns for Air Boxes not used are 14 days from the time of delivery. There is a 30% restocking fee and must pay for return shipping. This is the Air Box manufacturers return policy. Refill cartridge for Air Box Air Filter Stealth 1 2 3, fits these three models. Single Filter. This refill cartridge size is suitable for Airbox 1, Airbox 2 and Airbox 3. (IMPORTANT: Order 1 OR 2 OR 3 cartridges as required for your Air Box unit)