17_1/4x19_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers THIS UNIT REQUIRES A VACUUM

THIS UNIT REQUIRES A VACUUM PUMP AND DRY ICE TO FUNCTION

Monitors water temperature

Mummy Berry Disease

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

the ECS-5 comes with a 16ft RJ12 cable

17_1/4x19_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers THIS UNIT REQUIRES A VACUUMNordic 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