The Evolution priming pot/debris traps are designed specifically for the water gardening industry. They feature a clear polycarbonate lid, glass filled thermoplastic housings and quick connect fittings. With excellent flow through capabilities, they are specially designed baskets to improve flow while keeping harmful debris such as string algae out of the pump. Specifically designed for the water gardening industry Strong glass-filled thermoplastic housing for long life High Strength see through lid Quick connect 2" union included Drain plug for winterizing Specially designed debris basket for maximum flow Flow range up to 8,500 GPH Return Shipping is the Responsibility of the Buyer ***Returning Merchandise will be accepted only for defective merchandise.*** Free Shipping within the continental USA does not include Hawaii or Alaska We do not ship to Guam or Puerto Rico