18x18x2 Pleated MERV 7 Air Filters 12 Pack pots Voltage (Volts/Hertz) - 110v /

Voltage (Volts/Hertz) - 110v / 60Hz -240v/50Hz

High intensity output provide higher crop yields and brings more advantages than traditional hid light sources

This UV system is also less noisy and cleaner than conventional ultraviolet zappers

When the battery power is running low a low battery indicator is displayed

How many should I order for a large garden

18x18x2 Pleated MERV 7 Air Filters 12 Pack pots Voltage (Volts/Hertz) - 110v /Nordic 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