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Trapzilla ECA-TZ-29 Two-Piece Extension Collar with telescoping design and ladder grooves, allowing for precise sizing in the field, offering an additional 29" (73.7 cm) of extension for Trapzilla TZ Units installed in-ground. ECA-TZ-29 is compatible with 18" (45.72 cm) Single-Piece Extension Collar found on In-Ground (-ECA) Models and Standard Adapter Ring found on Basic Models. Installed with In-Ground (-ECA) Models, Trapzilla Unit has 47" (119.4 cm) of extension to bring lid to ground level.
- Can be used with in-ground and in-floor installations.
- Aids in lining up facility drainage piping when located deep in the ground.
- Compatible with Standard Adapter Ring on Basic/Above-Ground Models and 18" Built-In Extension Collar on In-Ground Models.
- Made of durable Rotationally Molded Polyethylene (Blue)
- Maximum Overall Height: 30.5" (77.5 cm)
- Maximum Effective Height Increase: 29" (73.7 cm)
- Minimum Trimmed Height: 5.5" (14 cm)
- Minimum Effective Height Increase: 4" (10.2 cm)