This document provides information on trickle ventilators and canopies including part numbers, descriptions, finishes, dimensions and airflow specifications. It lists various models of ventilators and canopies with 265mm, 268mm, 350mm, 358mm, 410mm, and 413mm lengths and widths ranging from 18mm to 26mm. Models include TVP, TVF, and TVG units available in white and brown finishes. Airflow is noted to be 1700 cubic meters per hour for 2000mm units and 2700 cubic meters per hour for 4000mm units.