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

    $72.95 / each

    $139.90 / box
    2 x $69.95

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 4-Way Steel Ceiling Diffuser w/ 10" Collar (FPD3 Series) View Specs

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $45.95 / each

    $88.30 / box
    2 x $44.15

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

    $25.95 / each

    $99.80 / box
    4 x $24.95

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

    $25.95 / each

    $99.80 / box
    4 x $24.95

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 6" Collar Ring (5400 Series) View Specs
    • SKU: 50310A
    • Brand: Hart & Cooley

    $5.75 / each

    $65.88 / box
    12 x $5.49

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

    $5.75 / each

    $65.88 / box
    12 x $5.49

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

    $5.75 / each

    $65.88 / box
    12 x $5.49

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

    $5.75 / each

    $54.90 / box
    10 x $5.49

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 12" Collar Ring (5400 Series) View Specs
    • SKU: 50316
    • Brand: Hart & Cooley

    $5.85 / each

    $55.90 / box
    10 x $5.59

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

    $60.95 / each

    $117.10 / box
    2 x $58.55

    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

    $53.95 / each

    $155.25 / box
    3 x $51.75

    Non-Stock Item Allow 7-10 Days to Ship Out