• 

  Coupling pipe-box BK HF 20mm

  Art. code: BK20
• 

  Coupling pipe-box BK HF 25mm

  Art. code: BK25
• 

  Coupling pipe-box BK HF 32mm

  Art. code: BK32
• 

  Coupling pipe-box BK HF 40mm

  Art. code: BK40
• 

  Coupling pipe-box BK HF 50mm

  Art. code: BK50
• 

  Coupling pipe-spirex RK HF 16mm

  Art. code: RK16
• 

  Coupling pipe-spirex RK HF 20mm

  Art. code: RK20
• 

  Coupling pipe-spirex RK HF 25mm

  Art. code: RK25
• 

  Coupling pipe-spirex RK HF 32mm

  Art. code: RK32