US$ 85.00
But they are also the most visible representation of you air system
For added protection
Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc
Actual Filter Size – 23 3/4"w x 33 3/4" x 1"
6" X 6" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 7" Width X 7" Height] w36h36 But they are also the+ Product Details Size 6" X 6" is the size for the drywall opening measurement only, actual front end outer dimensions are 7" Width X 7" Height High Quality High grade steel construction. Design 1mm galvanized steel material with sleek, shiny, durable white powder coat finish for an attractive look & high durability corrosion protection 15mm medium density fibreboard with felt cover and rubber sealing between the door and frame for tight security.
US$ 85.00
US$ 163.95
US$ 190.00
US$ 190.00