3m versaflo s 403s 20 economy review: 3M Versaflo S 403S 20 Economy Papr Hood Review
Verdict: 4.2/5. The 3M Versaflo S-403S+20 is the high-volume economy tier of the S-series PAPR hood — 20 hoods per case at a lower per-unit cost. Right for high-consumption programs; low-volume programs are better served by the S-133 or S-433 5-packs.