17_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Plant Support VEG & BLOOM Double Channel

VEG & BLOOM Double Channel

This is especially useful to contain the spread of disease in your growing area

This environmentally safe water pump is oil-free to prevent nutrient reservoir contamination

This foliar-spray insecticide/miticide/fungicide uses potassium salts of naturally derived fatty acids (also known as insecticidal soap) to provide contact control of soft-bodied insects

17_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Plant Support VEG & BLOOM Double ChannelNordic Pure Custom MERV 14 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