UAir TSR FFUMicro-T Grid SystemFan Powered Plenum550 Series — Single Deflection Return Grille – 0° or 45°Ceiling-Mounted Criti-Clean Ultra Fan Filter Units (FFUs)SSPERF-R – Perforated Return Air GrilleSSFG 550 — Single Deflection Filter Grille – 0° or 45°SSSD Slide DamperSSLFHFD – Laminar Flow HEPA Filter DiffuserSSFG PERF — Perforated Filter GrilleSSLFHFD-MC – Medium Capacity Laminar Flow HEPA Filter DiffuserSSLFHFD-HC – High Capacity Laminar Flow HEPA Filter DiffuserSSLFHFD-CLCD – Louvered Face HEPA Filter DiffuserFRD-HEPA – Flat Radial Pattern HEPA DiffuserHRDP-HEPA – Hinged Radial HEPA Diffuser Cleanroom was last modified: October 8th, 2025 by AJ Mfg Read More » « Read Less ×