16x24x4 (3 5/8) Pleated MERV 12 Air Filters 6 Pack cloning-and-seed-starting Monitorable with Replacement Indicators –

Monitorable with Replacement Indicators – Compatible with Integra Boost replacement indicator cards (sold separately) to signal when packs need replacing

| Exhaust: Top | Airflow: 210 CFM | Noise: 21 dBA | Bearings: Dual Ball

Features steel shutters

The tray's design also allows for proper air circulation between the wicking mat and the tray bottom providing good air movement and helping to keep the root zone healthy and happy

it can also replace existing blowers found in various fireplaces including Lennox

16x24x4 (3 5/8) Pleated MERV 12 Air Filters 6 Pack cloning-and-seed-starting Monitorable with Replacement Indicators –Nordic Pure 16x24x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy