SAS 3002 Acid Gases/Organic Vapor Cartridge. Cartridge is used for protection against chlorine, hydrogen chloride, sulfur dioxide or formaldehyde. OSHA regulations require gas-proof goggles be worn when halfmask respirators are used for protection against formaldehyde. Do not exceed maximum use concentrations established by regulatory standards. Not to be used with isocyanates. Shipping Charges are based on Zone, Weight and Dimensions. For Quantity Discounts, please scroll to bottom for prices. Discounted prices will automatically calculate when item quantity is reached when ordering.