Pyrex brand resin kettle without constriction at top, to facilitate introduction and removal of material, and allow for ease of cleaning. Of thick-walled construction. Covers have one opening in the center and three equally spaced openings near outside. Openings are ground to take inner member joints. Covers and bottoms have ground flanges for tight seal.
For gaskets, see 6495-21, -23, -43, or -47. Use with 12058 Mantles. Uses 6508, 6509 or 6510 Clamp. Covers and bottoms are also sold separately.