Air Box 4 Pre-Filter ventilation Some cultivars and growing conditions

Some cultivars and growing conditions may require higher doses of Calcium

and you are ready to go

Our 20 Gallon

and with the daisy-chaining feature

This economical purging option is design

Air Box 4 Pre-Filter ventilation Some cultivars and growing conditionsDescription 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.