20x24x2 Pleated MERV 7 Air Filters 12 Pack spl_spectrumking hydrate and calibrate pH probes

hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes

These microporous boot covers are clean processed to offer the perfect balance of safety and comfort

36 – 72-micron are best for pollen

This bag attaches at the bottom of the TTT 1900/2100 Systems to guide your trim into your catch container

This combination is an excellent source of protein and vitamins for birds

20x24x2 Pleated MERV 7 Air Filters 12 Pack spl_spectrumking hydrate and calibrate pH probesNordic 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