17_1/8x34_7/8x1 MERV 7 AC Furnace Filters 6 Pack Light Fixture With the donut ring you

With the donut ring you will achieve an even more homogeneous distribution of the water throughout the block

at small intervals

(1) 6" Light Shield

Versatile Soluble Seaweed Extract can be sifted with soils to create custom blends for planters or added to the hydroponic reservoir

Dimensions: (with pre-filter)

17_1/8x34_7/8x1 MERV 7 AC Furnace Filters 6 Pack Light Fixture With the donut ring youNordic 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