The 4200 Series is a cost effective fiberglass alternative to polyethylene tank sumps. Fiberglass construction guarantees long-term reliability without deforming or cracking. White Gel-coated interior for easy leak detection. Comes with a Twist-Lok cover and Epoxy Kit. Can be adjusted from 30"-38" in height. Compatible with a 42" tank collar. Price includes installation on our Permatanks or ACT-100 tanks.