The 6431 & 6439 Bellows are popular, versatile mid-size bellows – with an extensive range of customer choice Ideal for foot or hand operation Large air volume for ease of operation Choice of colours Available with plastic base plate for added stability or permanent fixing Side or base entry The stock models for the 6431 & 6439 Bellows are indicated on the data sheet which you can find below: Datasheet Enquire Now