Commercial Diffusers

Diffusers are used as supply air outlets

45 products shown

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  • High Volume Supply Ceiling Diffuser w/ 6-1/2" Collar (HVS Series) View Specs

    $69.95 / each

    $131.90 / box
    2 x $65.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • Steel Fixed Pattern Diffuser w/ 6" Collar (FPD3 Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • Steel Fixed Pattern Diffuser w/ 8" Collar (FPD3 Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4-Way Steel Ceiling Diffuser w/ 10" Collar (FPD3 Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • Steel Fixed Pattern Diffuser w/ 12" Collar (FPD3 Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • Steel Fixed Pattern Diffuser w/ 14" Collar (FPD3 Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4-Way Steel Ceiling Diffuser w/ 6" Collar (FPD Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4-Way Steel Ceiling Diffuser w/ 8" Collar (FPD Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4-Way Steel Ceiling Diffuser w/ 10" Collar (FPD Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4-Way Steel Ceiling Diffuser w/ 12" Collar (FPD Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4-Way Steel Ceiling Diffuser w/ 14" Collar (FPD Series) View Specs

    $46.95 / each

    $85.90 / box
    2 x $42.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • Steel Perforated Supply Diffuser with Fiberglass Insulated Back (RENPS Series) View Specs

    $30.25 / each

    $95.80 / box
    4 x $23.95

    In Stock! (3 Available) Ships in 24-48 Hrs
  • Steel Perforated Return with Fiberglass Insulated Back (RENP Series) View Specs

    $30.25 / each

    $95.80 / box
    4 x $23.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 6" Collar Ring (5400 Series) View Specs
    • SKU: 50310A
    • Brand: Hart & Cooley

    $13.05 / each

    $71.40 / box
    12 x $5.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 7" Collar Ring (5400 Series) View Specs
    • SKU: 50311
    • Brand: Hart & Cooley

    $13.05 / each

    $71.40 / box
    12 x $5.95

    In Stock! (9 Available) Ships in 24-48 Hrs
  • 8" Collar Ring (5400 Series) View Specs
    • SKU: 50312
    • Brand: Hart & Cooley

    $13.05 / each

    $71.40 / box
    12 x $5.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 10" Collar Ring (5400 Series) View Specs
    • SKU: 50314
    • Brand: Hart & Cooley

    $13.05 / each

    $59.50 / box
    10 x $5.95

    In Stock! (5 Available) Ships in 24-48 Hrs
  • 12" Collar Ring (5400 Series) View Specs
    • SKU: 50316
    • Brand: Hart & Cooley

    $13.15 / each

    $60.90 / box
    10 x $6.09

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 20" x 20" Filter Grille w/ Fiberglass Insulated Back (659TI Series) View Specs

    $59.95 / each

    $111.90 / box
    2 x $55.95

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 659T 20" x 20" Steel Lanced Filter Grille View Specs
    • SKU: 12745
    • Brand: Hart & Cooley

    $56.15 / each

    $152.85 / box
    3 x $50.95

    In Stock! (2 Available) Ships in 24-48 Hrs