13 15/16 x 29 15/16 x 3/4 (13.94 x 29.94 x 0.75) Pleated MERV 7 Air Filters 6 Pack coco The Variable Fan Speed Controller

The Variable Fan Speed Controller enables you to determine precise temperature levels to achieve within your growing environment by way of proper ventilation

• Controls opening and closing of stomata

Unique squeeze-to-open handle with spring-loaded locking catch opens automatically when handles are pressed together

Specialized soil pH electrode

FACTS and BENEFITS

13 15/16 x 29 15/16 x 3/4 (13.94 x 29.94 x 0.75) Pleated MERV 7 Air Filters 6 Pack coco The Variable Fan Speed ControllerNordic 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