Description
18×21 Rectangular Hatch – White – ASA Material Acrylonitrile Styrene Acrylate
Features:
- 1/2 Closed Height
- Weather-tight Seal
- Opens full 180 degrees
- Nothing to Snag Lines
- One Hand Operation
- Mounts Vertical or Horizontal
- UV Stabilized Material
- Invisible Fasteners
- Color: White
- Non-Skid Diamond Pattern Surface
Specifications:
- Dimensions OD: 18-1/8″ x 20/1/2″
- Dimensions ID: 14-5/8″ x 17″
- Hole Cut: 15-3/8″ x 17-3/8″
Quick Guide (pdf)

![Beckson 18×21 Rectangular Hatch – White – ASA Material Acrylonitrile Styrene Acrylate [HT1821AW]](https://www.acceelectrical.com/wp-content/uploads/2025/4/1745119746/beckson-18x21-rectangular-hatch-white-asa-material-acrylonitrile-styrene-acrylate-ht1821aw-1745119757.webp)

![Sea-Dog Stainless Steel/Nylon Hatch Spring [321680-1]](https://www.acceelectrical.com/wp-content/uploads/2025/4/1745118033/sea-dog-stainless-steel-nylon-hatch-spring-321680-1-1745118040.webp)
![Sea-Dog Flush Hatch Pull [221860-1]](https://www.acceelectrical.com/wp-content/uploads/2025/4/1745117840/sea-dog-flush-hatch-pull-221860-1-1745117847.webp)
![Beckson 11 x 15 Flush Hatch White – ASA Material – Acrylonitrile Styrene Acrylate [HT1115AW]](https://www.acceelectrical.com/wp-content/uploads/2025/4/1745119285/beckson-11-x-15-flush-hatch-white-asa-material-acrylonitrile-styrene-acrylate-ht1115aw-1745119293.webp)
![Sea-Dog Triple Lock Rectangular Marine Hatch – 10 x 14 – Black [336525-3]](https://www.acceelectrical.com/wp-content/uploads/2025/4/1745118033/sea-dog-triple-lock-rectangular-marine-hatch-10-x-14-black-336525-3-1745118040.webp)
Reviews
There are no reviews yet.