15x23x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-light-ballasts Note: Do not use Fuzzy

Note: Do not use Fuzzy Logic mode if operating a CO2 generator

This compact reflector design optimizes performance focusing more light on the plant canopy with superior uniform light distribution

These parasites attack California red scale

Lens Dimensions: 22-3/8" x 30"

15x23x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-light-ballasts Note: Do not use FuzzyNordic 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