15_1/4x15_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_dlw Increases resin production by weight

Increases resin production by weight during late flowering

As the Bluelab Combo Meter is portable and does not require a power supply to operate

Designed for a 5’x5’ space with use of CO2 supplement for maximum performance

Features a 1" by 16 25" Stainless steel cutting blade with a razor edge is lightweight & flexible

the nematodes produce bacteria that is injected into the pest's blood

15_1/4x15_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_dlw Increases resin production by weightNordic 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