RadonAway Fan Pipe Cap with Screen for 4" PVC - Roof Caps - Amazon.com
Amazon.com: Camco PowerGrip 30-Amp Camper/RV Extension Cord | Features a Durable Heat-Resistant PVC Construction with 10-Gauge Wires and a Flexible Design | Rated for 125 Volts/3750 Watts | 25-Feet (55191)
Amazon.com : Pawfly Aquarium Air Control Valves for 3/16" ID Airline Tubing Single Way Plastic Air Flow Controllers Regulators Adjustable Blue Hose Connectors Air Pump Accessories for Fish Tanks, 10 Pack :
Leviton 515CV-OR 15 Amp, 125 Volt, PVC Grounding Cord Outlet, Orange - Electric Plugs - Amazon.com
Vent Systems 6" to 5" Inch Duct Reducer Adapter Connector Fitting Pipe Increaser Reducer Cone for HVAC Ventilation Systems, ABS Plastic PVC Pipe 150 to 125 mm - - Amazon.com
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Amazon.com: EV Extension Cord for Model 3/S/X/Y - Compatible with NEMA L14-50 generators (125/250V, 30-Amp) : Patio, Lawn & Garden