Welcome to Defender Canada! 
Whitecap Collector Box - 3451BP Item # 888156
Description
The Whitecap Plastic Collector Box for Model 3458 and 3446 Ventilators will not rust, discolor or streak.
Features:
- Predrilled to accommodate screws (not included)
- Comparable to Whitecap stainless steel ventilation parts
Specifications:
- Dimensions (L x D x H): 17 1/8" x 4 3/8" x 2 1/2"
- Material: Nylon
- Color: Black