1 of 1 http://solutions.3m.co.uk/wps/PA_1_RJH9U5230OM1002L6SL8OE00... Product Catalogue for Occupational Health and Environmental Safety 2. 3MTM Reusable Respirators 1. 3MTM 4000 Series Maintenance Free Gas/Vapour and Particulate Respirators 1. 3MTM 4000 Series Maintenance Free Gas/Vapour and Particulate Respirators Additional Information - Maintenance free design for maximum safety and simplicity - No maintenance records are required if disposed of within one month - Replace after 28 days or when breathing resistance increases or breakthrough occurs, whichever occurs first - 2 large bonded carbon filters for low breathing resistance - low profile design for better peripheral vision - Low resistance parabolic valve to reduce heat build-up - Soft/Non-allergenic face piece material - Lightweight and well balanced design - Cradle head harness - Easy to fasten neck strap - EN405:2001/CE marked 3M 4251 Organic Vapour and Particulate Respirator: FFA1P2D Gases/Vapours:10xWEL* or 1000ppm whichever is lower; Particulates:10 x WEL* 3M 4255 Organic Vapour and Particulate Respirator: FFA2P3D Gases/Vapours:10xWEL* or 5000ppm whichever is lower; Particulates: 20 x WEL* 3M 4277 Organic Vapour/Inorganic and Acid Gas/Particulate Respirator: FFABE1P3D Gases/Vapours:10xWEL* or 1000ppm whichever is lower; Particulates:20 x WEL* 3M 4279 Organic Vapour, Inorganic and Acid Gas, Ammonia and Particulate Respirator: FFABEK1P3D Gases/Vapours:10xWEL* or 1000ppm whichever is lower; Particulates: 20 x WEL* *WEL - Workplace Exposure Limit Accessories - 3MTM Over-spray Guard: Prolongs service life by reducing clogging of the particulate filters during paint spray applications - 3MTM 106 Soft Carry Case - 3MTM 105 Face Seal Cleaner 20/04/2009 07:47