10x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification The larvae are up to

The larvae are up to 13mm long and are white with a wax like covering (similar to mealybugs)

The pH controller includes a chemically resistant low voltage dosing pump plus both pH and temperature sensors

Promotes soil fertility and microbiology

0 & TerraGrow

Ideal for checking the moisture content in cannabis buds

10x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification The larvae are up toNordic 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