3M Versaflo Prefilter TR-6600/37354(AAD), for TR-600 PAPRGeneral Information Brand Versaflo Cartridge Or Filter Type Particulate Hazard Type Silica Product Series TR 600 Product Type Filter & Pre filter Protection Type Non Pertinent Country Of Origin United States Sold As Bag Lead Time 21 days California Residents Proposition 65 Warning Dimensions and Specifications Net Weight (Metric) 1 g Overall Height (Metric) 0. 167 m Overall Length (Metric) 0. 289 m Overall Width (Metric) 0. 226 m Net Weight Metric 1.