21_1/4x21_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control This perlite has numerous hydroponic

This perlite has numerous hydroponic applications as well

The Anden 4856 Dehumidifier Pump Kit Accessory includes a low profile condensate pump and a 20' drain tube

lightweight design

and superior rigidity

21_1/4x21_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control This perlite has numerous hydroponicNordic 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