Weighted Aeration Tube

  • Weighted Aeration Tube

Weighted Aeration Tube

Item # Product Name
TWA-06X140BK-YY 3/8in Bulk Weighted Aeration Supply Tube
TWA-08X180BK-YY 1/2in Bulk Weighted Aeration Supply Tube
TWA-10X190BK-YY 5/8in Bulk Weighted Aeration Supply Tube
*For length replace "yy" with 100 for coils and RL for reels



Heavy wall thickness, weighted air supply line (TWA Series) from Flex-Tech combines combines the flexibility and durability of rubber with the self-sinking advantages of a specially formulated heavy weight thermoplastic. This product is designed to remain fully submerged underwater for air supply and circulation applications. Available in bulk reels or 100 ft coils.

Potential Use

  • Underwater diffuser supply line
  • Pond aeration
  • Fish and shrimp hatcheries
  • Septic systems
  • Waste water treatment plants
  • Commercial fountains
  • Ice clearing opertions


  • Self-sinks and remains in place without weights and ties
  • Extremely durable, great hoop strength and kink resistant
  • Black rubberized color blends into the pond or lake floor to disappear
  • Low temperature hybrid design remains flexible in cold temperatures
  • Specially formulated PVC sinks effortlessly resulting in simple installation
  • Excellent resistance to weathering and aging
  • Safe for fish, marine animals and other wildlife

Product Specifications

Additional Information

Tube Material Proprietary low-temp weighted PVC
Cover Material
Standard Colors Black
Temperature Range
Fittings Available Not applicable
Phthalate Free Yes
RoHS Compliant Yes
Standard Size(s) 3/8in - 5/8in
Working Pressure 50 psi
Safety Factor
Standard Length(s) 100 Coils & 500 ft Reel
Weight per foot Varies by size and length
Assembled No

Item Details

Standard Size(s) O.D. Working Pressure Safety Factor Standard Length(s) Bend Radius (in) Weight (Lbs) Stocked Assembled
3/8in .665in 50 psi 4:1 100 Coils & 500 ft Reel 1in 0.17 No No
1/2in .834in 50 psi 4:1 100 Coils & 500 ft Reel 1.25in 0.27 No No
5/8in 1.000in 50 psi 4:1 100 Coils & 500 ft Reel 2in 0.36 No No


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