Air Box 4 Pre-Filter ventilation and a Water Pump with

and a Water Pump with a capacity of 450 gallons per hour

and you are ready to go

• Contains optimum levels of calcium and nitrogen

Our 20 Gallon

Some cultivars and growing conditions may require higher doses of Calcium

Air Box 4 Pre-Filter ventilation and a Water Pump withDescription Replacement Pre Filter for Airbox 4: This item is a replacement pre filter specifically designed for the Airbox 4 device. For optimal functionality and efficient performance, it is advised to replace this pre filter every 3 months. Size Details: The pre filter measures a convenient size of 12" x 15" x 1", making it a precise fit for the Airbox 4 unit. Specifications Quantity: 1 Weight: 0. 10 lb Width: 15. 00 in Height: 1. 00 in Length: 12.