Tubing Retention System (TRS) Tubes - designed for all soft earmolds. Uses an acrylic ring to hold the tube in position. TRS tubes are easily replaced and will not tear silicone materials. Sold in packets of 25.

• Code 30263 TRS Tubes #13 Thick
• Code 30264 TRS Tubes #13 Super Thick

TRS Dry-Tubes - replacement TRS tubes made with moisture resistant Dry-Tube material. Sold in packets of 10.

• Code 30273 TRS Dry-Tube # 13 Thick

Libby Horn TRS Tube - Libby Horn tubes with acrylic rings to hold tubes in position. Designed for soft earmolds. Sold in packets of 6.

• Code 30313 Libby Horn 3mm
• Code 30314 Libby Horn 4mm

Dry Libby Horn TRS Tube - Libby Horn tubes with acrylic rings to hold tubes in position. Made from moisture resistant Dry-Tube material. Designed for soft earmolds. Sold in packets of 6.

• Code 30353 Dry Libby Horn TRS Tube 3mm, Regular Wall
  
• Code 30354 Dry Libby Horn TRS Tube 4mm, Regular Wall