Air Conditioner Condensate Check Valve Drainage pipe 3 Proof Valve Central Air Conditioning accessory Anti Backflow Odor mosquit

High-concerned chemical：None NC or NO：Normally Closed Actuator Mode：Without Manual And Instruction Structure：Check Port Size：DN25 Media：Water Material：Plastic Temperature of Media：Normal Temperature Power：Manual Standard or Nonstandard：Standard Pressure：Medium Pressure Model Number：Air Conditioning Drain Valve Power Source：DC Is Smart Device：No Origin：Mainland China Certification：NONE

High-concerned chemical: None NC or NO: Normally Closed Actuator Mode: Without Manual And Instruction Structure: Check Port Size: DN25 Media: Water Material: Plastic Temperature of Media: Normal Temperature Power: Manual Standard or Nonstandard: Standard Pressure: Medium Pressure Model Number: Air Conditioning Drain Valve Power Source: DC Is Smart Device: No Origin: Mainland China Certification: NONE