16_1/4x21_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack lamps This jar is equipped with

This jar is equipped with a clear gasket and includes an extra gasket (clear)

and growth regulators

Fill your reservoir with clean water before administering any nutrient or additive

Mole Crickets (Scapteriscus sp)

Yucca Extract

16_1/4x21_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack lamps This jar is equipped withNordic Pure Custom MERV 10 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