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Charles Austen 4mm Non Return Check Valve – Backflow Protection for Air Lines

£095
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The Charles Austen 4mm Non Return Check Valve prevents backflow of water into your air pump, protecting your equipment and extending its lifespan. Compatible with standard 4mm air hose, it's an essential safeguard for any hydroponic or aquatic air system.

Key Features

  • Designed for use with 4mm air hose
  • Prevents backflow water from reaching your air pump
  • Constructed from durable hardened plastic
  • Simple inline installation — no tools required
  • Suitable for hydroponic, aquaponic, and aquatic air systems

Specifications

  • Hose size: 4mm
  • Material: Hardened plastic
  • Brand: Charles Austen