17_1/4x19_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers Roll of Pink Teflon Tape

Roll of Pink Teflon Tape

THIS UNIT REQUIRES A VACUUM PUMP AND DRY ICE TO FUNCTION

VEG and BLOOM switches can be used together to obtain maximum growth performance throughout the seeding and flowering stages of your plant life

Monitors water temperature

reducing pH fluctuations in the reservoir

17_1/4x19_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers Roll of Pink Teflon TapeNordic 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