Pay in 4 interest-free payments of $16.50 Learn more
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
quiet airflow with a minimalist look
and a precise fit while leaving you full flexibility on the job site
Silent air control
Approved contractor accounts order online
Each size lists its matching plenum box dimensions
R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air Size:18x6 quiet airflow with a minimalistR6 Insulated Plenum Box for 3 Slot (Triple Slot) Linear Diffusers Cryptic Air plenum boxes are built to pair seamlessly with our 3 slot linear slot diffusers, delivering optimal airflow performance, quiet operation, and a precise fit while leaving you full flexibility on the job site. Constructed from R6 fiberglass duct board for excellent insulation, reduced condensation, lower noise, and improved system efficiency. Why it works: Matched to your
US$ 26.95
US$ 39.99
US$ 39.00
