These Black colored door gaskets fit all Cascade CVO-2 & CVO-5 vacuum ovens and are made of BUNA, a material designed to withstand solvents. They have a max temp of 221 deg F. Comes with 9 each shelves that slide on rails and stay in place. Having extra shelves on hand for preloading can save time during processing. Shelves are constructed of aluminum. Blue powdercoat steel mobile stand for Cascade CVO-5 double up package: fits 2 each CVO-5 vacuum ovens. Locking casters, 2 each side-mounted shelves. The CVAC 9.3 PRO package provides a large (9.3 cu-ft) vacuum oven combined with a powerful Agilent 9CFM dry scroll vacuum pump installed.