Heng's Industries Wall Vent Rectangular 3 Inch x 5 Inch Black ABS - DV35B Pricing - 4.4-11lb $twenty - sixty Valve dimensions: 2-1/2" long x

Valve dimensions: 2-1/2" long x 1-1/2" wide x 1-1/2" deep

(1) 2 oz dose treats a 40-gallon holding tank for 7 days

Features spring tension attachment

With Three Way Valve

Heng's Industries Wall Vent Rectangular 3 Inch x 5 Inch Black ABS - DV35B Pricing - 4.4-11lb $twenty - sixty Valve dimensions: 2-1/2" long xHengs Industries USA, LLC is a premier manufacturer supplier of quality products for the recreational vehicle and marine industries. Recommended Use: Conceal Minor RV Dent Shape: Rectangular Diameter (IN): Not Applicable Length (IN): 3 Inch Width (IN): 5 Inch Louvered: Fixed Louvered Color: Black Material: ABS With Mounting Hardware: Yes