Horizontal Pattern | Square Directional diffuser | YES | NO | NO |
| Circular diffuser | YES | NO | NO |
| Square Plaque diffuser | YES | NO | NO |
| Air (light) Troffer diffusers | YES | NO | NO |
| | | | |
Vertical Pattern | Ball spot diffuser | YES | YES | NO |
| Conical Jet diffuser | YES | YES | NO |
| Linear Horizontal Bar grille | YES | YES | NO |
| Displacement diffuser | YES | YES | YES |
| Floor bar grille | NO | NO | YES |
| Floor Displacement diffuser | NO | NO | YES |
| Square / Circular Swirl plate diffuser | YES | NO | NO |
| Double deflection grille | YES | NO | NO |
| Single deflection grille | YES | NO | NO |
| Egg crate grille | YES | NO | NO |
| Perforated grille | YES | NO | NO |
| | | | |
Adjustable Pattern | Linear Slot diffuser | YES | NO | NO |
| Circular Variable swirl diffuser | YES | NO | NO |
| Exhaust / Supply air valves | YES | NO | NO |
| Circular Plaque diffuser | YES | NO | NO |
| | | | |
45Deg Pattern | Single fixed 45 degree grille | YES | YES | NO |
| Fixed / Weather-proof lourve | YES | YES | NO |