![GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/600x600/products/27603/28215/76042XL__84664.1548200801.jpg?c=2 "GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]")
Product Overview
ARG-503 Sight Glass Fits ARG-500
Sight glass fits the ARG-500-S 1/2" NPT strainer.
![GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/1280x1280/products/27603/28215/76042XL__84664.1548200801.jpg?c=2 "GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]")
ARG-503 Sight Glass Fits ARG-500
Sight glass fits the ARG-500-S 1/2" NPT strainer.
![GROCO Drain Plug w\/O-Ring f\/ARG Strainer [ARG-756]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/33268/34001/83159XL__96929.1578954583.jpg?c=2 "GROCO Drain Plug w\/O-Ring f\/ARG Strainer [ARG-756]")