![GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/600x600/products/28295/43835/76042XL__27397.1697177433.jpg?c=1 "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-jxombk0idl/images/stencil/1280x1280/products/28295/43835/76042XL__27397.1697177433.jpg?c=1 "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 2009 Newer [ARG-756]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/31649/47991/83159XL__12152.1697186348.jpg?c=1 "GROCO Drain Plug w\/O-Ring f\/ARG Strainer 2009 Newer [ARG-756]")