1. These practical gasoline generator accessories are crafted with care, are user - friendly, and have wide applications. 2. The generator replacement parts have stable performance and can enhance the performance of the generator. 3. Both intake valves and exhaust valves can be used. They are easy to install and disassemble, providing convenience. 4. They are made of good - quality materials, are safe, environmentally friendly, sturdy, and durable, and not prone to damage. 5. They are suitable for 190F/GX420 and are suitable accessories for generators used in agriculture, fishery, animal husbandry, aquaculture, and forestry. Condition: New Item type: Valve Material: Iron Applicable model: 190F/GX420 Applicable object: Gasoline engine generator Purpose: Generators used in agriculture, fishery, animal husbandry, aquaculture, and forestry Weight: Approximately 100 grams/3.5 ounces Intake valve size: Approximately 86×35 millimeters/3.4×1.4 inches Exhaust valve size: Approximately 85×31 millimeters/3.3×1.2 inches 1 intake valve 1 exhaust valve