10x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Patent pending spray manifold requires

Patent pending spray manifold requires smaller water pump and generates less heat in water

Permanent Drainage Option – Can be plumbed directly for continuous

6' grounded cord with on/off switch

Works with Hydrofarm reflectors and most others

At the same time

10x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Patent pending spray manifold requiresNordic Pure Custom MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition