Metric to US Standard plumbing

As an internationally distributed brand, Waterbox Aquariums plumbing is manufactured in metric sizes. If you need to make adaptations to your plumbing to fit standard plumbing sizes, here are the conversions.

DN20 - 25mm. to 3/4"

DN25 - 32mm. to 1"

DN32 - 40mm. to 1.25"

If you are unsure of what plumbing size your tank uses, you can find that information here.

Here are some helpful links on where to source metric plumbing parts.

Metric to standard unions - https://www.coralvue.com/metric-to-standard-union-coupling

Metric Unions - https://www.coralvue.com/metric-union-coupling

Metric to Standard Imperial PVC Adapters: https://www.coralvue.com/metric-to-standard-imperial-pvc-adapters 


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