🔒 Keep it hidden, keep it functional! Perfectly sized at 6-5/8" x 8" to fit snugly in any stud bay. One-piece construction eliminates the need for extra framing or support. Compatible with both ABS and PVC piping for flexible installation. Snap-on grill conceals the AAV while ensuring code compliance. Easily connects with Mini-Vent, Tec-Vent, or Redi-Vent systems. 6-5/8" x 8" dimensions 1-1/2" or 2" piping compatibility One-piece construction The Studor 20380 Recessed Air Admittance Valve Box and Grill is designed for seamless integration with various air admittance valves, featuring a sturdy one-piece construction that requires no additional support. Its compact size and snap-on grill ensure a discreet installation while maintaining accessibility for code compliance.