ARG-503 Sight Glass Fits ARG-500
Sight glass fits the ARG-500-S 1/2" NPT strainer.
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![GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/1280x1280/products/20996/25229/76042XL__01131.1601539064.jpg?c=2 "GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]")
![GROCO ARG-503 Sight Glass Fits ARG-500 [ARG-503]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/400x400/products/20996/25229/76042XL__01131.1601539064.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-e6ht4dde3g/images/stencil/500x659/products/25799/31380/83159XL__34319.1601548442.jpg?c=2 "GROCO Drain Plug w\/O-Ring f\/ARG Strainer [ARG-756]")