18x24x1 Pleated MERV 7 Air Filters 3 Pack grow-system/-trays/-reservoirs The SUNMASTER 315-watt FULL NOVA

The SUNMASTER 315-watt FULL NOVA WX delivers an industry-leading 2 µmol/J of balanced light output while providing 8% more red to far-red energy to support robust flowering and increased yields

Eliminates "hot starts" after power interruptions to avoid damaging equipment

When used as directed it has no effect on birds

On the backside are ports to connect and control additional fans

18x24x1 Pleated MERV 7 Air Filters 3 Pack grow-system/-trays/-reservoirs The SUNMASTER 315-watt FULL NOVANordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters