These filters are designed to fit Aprilaire whole house air cleaner models # 1410, 2410, 3410, and 4400. Aprilaire 413 Replacement Air Filters provide MERV-13 filtration efficiency. Aprilaire 413 Air Filter (MERV-13) - 2-Pack.
. Compatible with Model-H & Model-W grow lights.Use this UV light bar in place of normal light bar for last 4 weeks of flowering to enhance smell & flavor of herbs.