16_1/2x21_5/8x1 Exact MERV 14 AC Furnace Filters 6 Pack Nutriants They feature a convenient access

They feature a convenient access porthole (porthole cover available separately) and multidrill access points to install various meters and pump cords

Orthrus MK-V Bi-Directional Closed Loop Extractor

Use it for propagating cuttings and as a transplanting drench for newly potted plants

Universal BNC connector makes this the perfect replacement electrode

Listed diameter is measured from the inside of the bottom of the saucer

16_1/2x21_5/8x1 Exact MERV 14 AC Furnace Filters 6 Pack Nutriants They feature a convenient accessNordic Pure MERV 14 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.