2 Packs Trigger Gun Sprayer Handle Parts,Pump Sprayer Parts for Garden,Suitable for Most Greenwood Knapsack SprayersDURABLE PLASTIC QUALITY : 2 packs of sprayer handle accessories can be replaced at any time, quality plastic material, durable, long service life. [HAND SWITCH DESIGN]: The handle press switch is designed for easy one-handed operation,comfortable to use. [EASY TO USE]: Easy operation, safety and reliability and automatic control of spray. [WATER CONSUMPTION CONTROL]: Control water consumption.You can press and release the handle to control the water consumption of the sprayer and avoid overwatering the plants. [Use Occasions]: Suitable for agriculture, forestry or home garden management, help you can easily agriculture and forestry irrigation.