1-1/2″ Half Shell – 58% Open
Half-Shell Pattern Grille
- Critical Environment
- [All Critical Environment]
- Criti-Clean Ultra
- SSLFHFD-FP “Criti-Clean” Fan Powered Laminar Flow HEPA Filter Diffuser
- SSEPD – Perimeter Slot Diffuser
- FRD – Flat Radial Pattern Diffuser
- FRD HEPA – Flat Radial Pattern Diffuser with HEPA Filter
- HRDP – Hinged Radial Diffuser
- SS Hemispherical Diffuser
- SSLF – Laminar Flow Diffuser Panel
- SSLF-MC Medium Capacity Laminar Flow Diffuser Panel
- SSLF-HC High Capacity Laminar Flow Diffuser Panel
- SSLFHFD – Laminar Flow HEPA Diffuser
- SSLFHFD-MC Medium Capacity Laminar Flow HEPA Diffuser
- SSLFHFD – Laminar Flow HEPA Filter Diffuser with LED
- HEPA & ULPA Filters
- HRDP – Hinged Radial Diffuser with Filter
- SSLFHFD-T-HC High Capacity Laminar Flow HEPA Diffuser
- SSLF-N 2 Chamber Laminar Flow Diffuser
- Louvered Face HEPA Diffuser
- Supply Grilles
- [All Supply Grilles]
- 250 Series — Double Deflection Supply Grille
- 250 HD Series — Heavy Duty Double Deflection Supply Grille
- 250 LT Series – Long Throw Double Deflection Supply Grille
- Spiral Duct Diffuser
- 150 Series — Single Deflection Supply Grille
- 150 LT Series — Long Throw Single Deflection Supply Grille
- Return Grilles
- Hinged Filter Grilles
- Removable Filter Grilles
- Ceiling Diffusers
- [All Ceiling Diffusers]
- SSCLCD – Concentric Louvered Ceiling Diffuser
- SSPLT-S Lay-In Perforated Supply Diffuser
- SSPLT-R Lay-In Perforated Return Diffuser
- SSMLCD – Modular Louvered Ceiling Diffuser
- SSMCD Modular Single Deflection Ceiling Diffuser
- SSPERF-S Stainless Steel Perforated Supply Grille
- SSCB – Stainless Steel Curved Blade Diffuser
- SSPD – Stainless Square Panel Diffuser
- SFSD – Stamped Face Stainless Diffuser
- SS Slot Diffuser
- SSPLT-R CB
- SSPLT-AF Air Foil Perforated Supply
- SSPLT-EC Egg Crate Perforated Supply
- Bar Grilles
- Dampers
- Drum Louvers
- Air Extractors
- Accessories
- Architectural Grilles
- Security Products
- [All Security Products]
- SEC-3 Maximum Security Grille – Supply or Return
- SEC-6 Maximum Security Grille – Supply or Return
- SEC-7 Wire Mesh Face Security Return Grille
- SEC-8 Stamped Lattice Face Security Grille with Sleeve
- SEC-10 Wire Screen Face Supply Grille
- SEC-11 Rectangular Hole Lattice Face Security Grille
- SD Lattice Face Security Ceiling Diffuser
- SEC-BG Security Barriers
- SEC-4
- SEC-9
- Risk-Resistant Security
- Door Grilles
- Aluminum Products
- Item Archives