GVS Elipse SPR483 Multigas Replacement Filters, S M and M L Type 2 full motion visibility for workers exposed or 7 dB when full motion visibility for workers exposed to high speed traffic Both components must be NIOSH approved for the hazards present The GVS Elipse SPR483 delivers multigas chemical vapor protection for the Elipse platform at per pair — no particulate filtration The GVS Elipse SPR483 is appropriate for Elipse users in environments where multigas chemical vapor protection is required and no concurrent particulate aerosol exposure is present: chemical processing environments with mixed gas phase hazards where engineering controls manage particulate