6" ABS Waterless Drain Trap SealThe Green Drain 6" model is crafted for the largest pipe diameters of 145 155 mm, offering broad spectrum protection in environments with extensive drainage needs. This model is designed to provide effective and reliable drainage while preventing the intrusion of odors, pests, and gases, making it suitable for specialized industrial and commercial applications where large diameter drains are common. Simple install Save money and energy Blocks odors,