✔️EASY REPLACEMENT - Just remove the spent filter cartridge from the reusable base and replace with the new cartridge. Purchase aerosol can recycling equipment today! ✔️UNIVERSAL DESIGN - The Safe2Vent drum vent filter is compatible with all manual, single can aerosol can disposal systems. The reusable base is made to fit the 3/4-inch opening on any steel drum. ✔️EXCLUSIVE VIZ-A BALL INDICATOR CHECK VALVE - This revolutionary design serves two essential functions. First, it keeps the operator safe by indicating when the system is completely depressurized and can be opened. Second, the ball check valve complies with OSHA, EPA and California regulations requiring the drum to be closed and prevent vapors from escaping into the atmosphere after processing. ✔️ENVIRONMENTALLY FRIENDLY - Safe2Vent cellulose construction is 96% biodegradable, man be safely be sent directly to the landfill and decomposes naturally. Other drum vent filters that are plastic encased can take years to breakdown. Safe2Vent contains more carbon media than any other filter available and will last longer. ✔️COMPLIANT IN ALL 50 STATES - Unlike many drum filters, the Safe2Vent is compliant in all 50 states and conforms to OSHA, EPA and California SB1158 regulations. The Safe2Vent Aerosol Disposal Replacement Cartridges 2 Pack features: Universal Design: The Safe2Vent drum vent filter is compatible with all manual, single can aerosol can disposal systems. The reusable base is made to fit the 3/4 inch opening on any steel drum. Exclusive Viz-a-Ball Indicator Check Valve: This revolutionary design serves two essential functions. First, it keeps the operator safe by indicating when the system is completely depressurized and can be opened. Second, the ball check valve complies with OSHA, EPA and California regulations requiring the drum to be closed and prevent vapors from escaping into the atmosphere after processing. The Safe2Vent is the only drum vent filter that includes this important safety feature. Environmentally Friendly: Safe2Vent cellulose construction is 96% biodegradable, man be safely be sent directly to the landfill and decomposes naturally. Other drum vent filters that are plastic encased can take years to breakdown. Safe2Ventcontains more carbon media than any other filter available and will last longer. Plus, each replaceable filter includes the coalescing element for convenient and safe handling. Compliant in all 50 states: Unlike many drum filters, the Safe2Vent aerosol disposal replacement cartridge 2 pack is compliant in all 50 states and conforms to OSHA, EPA and California SB1158 regulations. Newstripe is a top manufacturer of equipment for various applications, including athletic field marking and maintenance, pavement and floor striping, and industrial waste compaction and recycling. With over 40 years of experience, the company is committed to delivering innovative products, exceptional quality, and excellent service to its customers. One of their popular products is the AeroVent aerosol can disposal and recycling equipment, which can puncture and drain up to 3 cans simultaneously, reducing the cost of hazardous waste disposal and generating income from recycling. For baseball and softball infield grooming needs, Newstripe offers six models of infield groomers and drags, from the lightweight, hand-pulled Drag Lite to the rugged, tractor-pulled Dirt Doctor Jr. Their contractor/industrial grade PolyTough parking lot stencils are tough enough to come with a lifetime warranty, and the company offers thousands of industrial stencils in stock, as well as custom-cutting services. With over 20 models of paint striping machines for various surfaces, including roads, parking lots, and factory floors, and 14 models of paint stripers and 4 models of dry line chalkers designed for athletic fields and courts, Newstripe has the right equipment for all your marking needs. Finally, Newstripe's Pack-Master compactors and Big Squeeze crushing machine can reduce waste volume by up to 90%, making them ideal for industrial waste compaction and recycling. With its wide range of equipment solutions and commitment to excellence, Newstripe is a trusted partner for customers in various industries.