Difference between seawater filters
Common metal filters
Most filters are made of metal, a very corrosion sensitive material that needs to be replaced almost every year. Metal is very heavy, which makes it difficult to change the filters.


STC Perfoplast™ filters
Our sustainable seawater filters are made of HDPE. The strong material and its excellent corrosion-resistance results in an (almost) unlimited lifespan. Discover our STC Perfoplast™ filters now.
STC Perfoplast™ filters have the following benefits:
- Perfect corrosion-resistance and strong material results in an (almost) unlimited lifespan.
- A smooth, fouling-resistant surface ensures less fouling, easy cleaning and better water flow properties.
- Up to 70% weight reduction, resulting in a lightweight filter, uncomplicated maintenance and fuel reduction).
- Allowed under IMO Regulations.
- A sustainable product, 100% recyclable.
- Custom-made design and engineering is available.
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Filter STC Trade -
Sustainable Wierpot inlet strainer -
Blue seawater filters HDPE -
Seawater filters made of plastic -
HDPE Filter Perfoplast -
Large filter for fish tanks seawater -
Strainer Fiberstrain -
White strainer Fiberstrain -
Wierpot gvk -
Plastic filter -
Sustainable seawater filter plastic for ships -
Perfoplast filter complete -
A-filter diameter 400 x 1000 mm X -
Plastic strainer with HDPE locking pins -
Wierpot inlet strainer sustainable for ships and yachts -
Sustainable filters for yachts -
Plastic strainers for ships (2 halves) -
Sustainable seawater filters for yachts -
Fiberstrain inlet strainer HDPE for ships and yachts -
Fiberstrain inlet strainer HDPE for ships and yachts -
Wiepot sustainable for ships and yachts -
Wierpot inlet strainer sustainable for ships and yachts -
Sustainable filter options for yachts -
Sustainable solutions for ships and yachts -
Perfoplast filter compound