13 15/16 x 29 15/16 x 3/4 (13.94 x 29.94 x 0.75) Pleated MERV 7 Air Filters 3 Pack Air Purification 4-in-1 Sensor MBS-PRO

4-in-1 Sensor MBS-PRO

affect readings

Root Weevils

or they can be used for flowering by stacking the 4x4x3 on top of this 6x6x4

so adjust the watering frequency accordingly

13 15/16 x 29 15/16 x 3/4 (13.94 x 29.94 x 0.75) Pleated MERV 7 Air Filters 3 Pack Air Purification 4-in-1 Sensor MBS-PRONordic 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