Metal Duct Grille 4 - White, Wall-Mount Grille for 4" Duct Fan Bio-Fertilizer Formulas are sediment free and

Formulas are sediment free and are compatible with all dosing and irrigation systems in including fine dripper heads

Sold in cases of 4

5" reach-through mesh that allows the trellis to handle more weight

vegetative

All blocks with holes fit 1

Metal Duct Grille 4 - White, Wall-Mount Grille for 4" Duct Fan Bio-Fertilizer Formulas are sediment free andDesigned to be wall mounted and connected to ducting to supply exhaust air. Heavy Duty steel construction, painted with matte white powder coat finish. Features a collar on the backside to attach ducting to the mounted grille. Includes all screws and hardware to easily mount to a cabinet or wall. Ducting Size: 4 Dimensions: 6. 1 x 6. 1 x 2. 5 in. Material: Steel PRODUCT DESCRIPTION This duct grille was designed to be wall mounted and connected to