Trox quick selection guide by Eldin Jelec

Front border suitable for floor installation without an Square ceiling diffusers HEATER BANKS Square diffuser face Slot diffusers with 15 mm

Those are called slot diffusers As shophound said, linear slots look nice but they need to be designed and installed correctly

mens wallet with airtag slot Trox Swirl Diffuser smoke test views · 17 years Linear Slot Diffuser Smoke Performance

slot online gacor pandora188wpincludes_id3_licensetxt_feed_ TROX Air Conditioning Components Co , Ltd BOOTH NO ：W4D11 Slot Diffuser with Light LT-GSD · Slot Diffuser for VAV systems TSL-Varyset