NPF-BB-20-50, Nelsen Dirt Cart, 20 50mic Pltd, Bb, PE 50X20 BB

The chemical and bacterial resistance of the polyester media makes these cartridges suitable for potable water, light industrial applications, swimming pool and spa, and well water applications. The durable non-woven polyester fabric is reusable, while being pleated to maximize its dirt holding capacity and extending the time period between changes.