Air Grilles for HVAC Systems

MDO-X

The latest addition to the comprehensive range of Polyaire ceiling vents is the Adjustable Multi Directional Outlet (MDO-X). It’s unique design means it can be both fixed and adjustable.

MDO-X

Item #DescriptionNominal Neck Size (mm/inch)Face Size (mm/inch)
2312004 Way230x230 / 9x9283x283 / 11x11
2312014 Way300x300 / 12x12353x353 / 14x14
2312024 Way350x350 / 14x14408x408 / 16x16
2312034 Way400x400 / 16x16456x456 / 18x18
2312044 Way450x450 / 18x18506x506 / 20x20
2312054 Way350x525 / 14x21406x581 / 16x23

Features:

  • Completely flush louvre blades even when fully open, gives a smooth ceiling profile.
  • Ideal for use in all fixed/adjustable applications as the increased holding force maintains the louvres in the desired position even in strong air flow.
  • The finish is etched to reduce reflection and accept painting with no preparation, a major cost saving.
  • Softer more contemporary appearance with wider flanges, fillet corners and edges.
  • Snap-In feature holds the biscuit firmly – Less likelihood of dislodging when adjusting or cleaning.

Accessories

Item #Description
231054Mounting Clips - New (4)
231055Mounting Clips - Old (4)
231053MDO T Bar - Frame Only
2310104 Way T Bar
2310174 Way T Bar

MDo-S Kits No Damper Metal Clips

Item #Nominal Neck Size (mm/inch)Spigot Size (mm/inch)
231212230x230 / 9x9Ø150 / Ø6
231213230x230 / 9x9Ø200 / Ø8
231214300x300 / 12x12Ø200 / Ø8
231215300x300 / 12x12Ø250 / Ø10
231216300x300 / 12x12Ø300 / Ø12
231217350x350 / 14x14Ø300 / Ø12
231218350x350 / 14x14Ø350 / Ø14
231225350x350 / 14x14Ø400 / Ø16
231221400x400 / 16x16Ø350 / Ø14
231222400x400 / 16x16Ø400 / Ø16
231223450x450 / 18x18Ø400 / Ø16
231224450x450 / 18x18Ø450 / Ø18
231219525x350 / 21x21Ø400 / Ø16
231220525x350 / 21 x21Ø450 / Ø18

MDO-X Kits No Damper Plastic Clips

Item #Nominal Neck Size (mm/inch)Spigot Size (mm/inch)
231414300x300 / 12x12Ø200 / Ø8
231415300x300 / 12x12Ø250 / Ø10
231416300x300 / 12x12Ø300 / Ø12
231417350x350 / 14x14Ø300 / Ø12
231418350x350 / 14x14Ø350 / Ø14
231429350x350 / 14x14Ø400 / Ø16
231421400x400 / 16x16Ø350 / Ø14
231422400x400 / 16x16Ø400 / Ø16
231423450x450 / 18x18Ø400 / Ø16
231424450x450 / 18x18Ø450 / Ø18
231420525x350 / 21x21Ø450 / Ø18

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