12_3/4x20_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack light-movers-hangers - Reflector Dimensions: 19

- Reflector Dimensions: 19

all of which allow the plant to grow bigger

Proven to cure powdery mildew and prevent a long list of other diseases

All solarMAX lamps are manufactured in Germany by an ISO certified factory with over 40 years experience in HPS and MH lamp technology

12_3/4x20_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack light-movers-hangers - Reflector Dimensions: 19Nordic Pure Custom MERV 12 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