8_7/8x19_1/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_spectrumking Hydrofarm's Fan Speed Adjuster was

Hydrofarm's Fan Speed Adjuster was designed especially for centrifugal fans

| 105W | Inc

Feed pressure- Line burst detection

and a water-resistant seal to protect against misting and sprays

and CO2 with the Timer Control module the DSP-1

8_7/8x19_1/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_spectrumking Hydrofarm's Fan Speed Adjuster wasNordic 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