Description
11 1 4x11 1 4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 12 Pack Electrical Components There is a 1 hour REI There is a 1 hour REI (Restricted Entry Interval) for this product when applied via fogging or spraying in enclosed glasshouses and greenhouses Long Filter Life – Designed for extended use across full growing seasons before replacement is needed