1S3S Skimmer Tub – Aquarium Sump

1S3S Skimmer Tub – Aquarium Sump Details

SKU: seamless-sump-1s3s Category:


The Skimmer Tub provides up to 3600 gallons per hour of flow from its three H2Overflow® inputs. It can hold up to three of our extra large 18″ filter socks. It is designed to pour into the Baffle Tub.

Select how you want your sock tub configured. Holes are numbered front to back.
Choose at what level you want the glass shelf for the skimmer to sit on.
Add an additional shelf if you need it.
Product total
Options total
Grand total

Height 22.13 in
Length 26.25 in
Depth 17 in
Length (Without Output Spout)

20.19 in


High Density Polyethylene (HDPE)

Max Volume

20.4 Gallons

Ideal Operating Volume

20.4 Gallons

Max Flow Rate

3600 GPH


The Seamless Sump® Advantage

Every Seamless Sump® tub is made out of a single molded piece of durable high density polyethylene (HDPE). Our filtration tubs are easy to clean and won’t leak or fail.

You can mix and match our tubs in different combinations to create the perfect filtration system for your aquarium’s needs. The number of combinations and possibilities are almost endless!