The new SureLock B-Vent Locking System from this Kansas company now works on 90 degree adjustable elbows and 45/60 degree adjustable elbows in three- to six-in. sizes

The new SureLock B-Vent Locking System from this Kansas company now works on 908 adjustable elbows and 458/608 adjustable elbows in three- to six-in. sizes. The patent-pending lock design makes installations fast and foolproof, allowing for easy disassembly. It also eliminates the need for screws at the joints. To install, simply join elbows to sections of the company's B-Vent, twist and engage.

Metal-Fab Inc., P.O. Box 1138, Wichita, KS 67201; 316/943-2351; fax 316/943-2717.

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