Sold per foot - Durable PVC trim with inner metal clip for a strong grip. Gasket is placed on top edge of recovery tank to seal against lid. Used on older Hydramaster machines Aquacat, Bobcat, Hydracat, CDS 4.0, CDS 4.2, CDS 4.5, CDS 4.7, Spitfire 3.2, Spitfire 4.0, Crossfire 4.2 & Crossfire 4.4