16x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack new_additions Weekly applications are recommended until

Weekly applications are recommended until infestations subside

• Twelve bucket modules (2 gallon)

Each boot cover is low-linting and sterilized to a 10⁻⁶ sterility assurance level (SAL)

Life Cycle & Behavior: Lacewing eggs hatch within 3-10 days of receipt depending on temperature and humidity in the release area

The Botanicare Pallet Rack Tray 4 ft x 8 ft is designed to fit standard (42 in wide x 96 in length) pallet racking or shelving

16x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack new_additions Weekly applications are recommended untilNordic Pure Custom MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition