18x25x1 Pleated MERV 7 Air Filters 12 Pack coco-cubes Conductivity probe with 1' NPT

Conductivity probe with 1' NPT thread

and nine Expandable Stake Arms for a truly flexible climbing plant cage

after a plant is established

Can be used in all stages of growth and flower

pack of 50

18x25x1 Pleated MERV 7 Air Filters 12 Pack coco-cubes Conductivity probe with 1' NPTNordic 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