16_1/4x21_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers The Harvest Pro RVD series

The Harvest Pro RVD series of vacuum pumps are specifically suited for botanical extraction

essential for coco based grows

This portable fan runs very quietly while effectively destroying odors anywhere it's needed

• KDF85 media added into carbon pre-fiter (for chloramines and heavy metal reduction)

16_1/4x21_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers The Harvest Pro RVD seriesNordic Pure Custom MERV 13 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