Material: Rotationally Molded Polyethylene (Blue)
Maximum Overal 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)
Thermaco 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 Units installed in-ground. ECA-TZ-29 is compatible with 18" 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" of extension to bring lid to ground level.