This Fitting is manufactured by Lasco. Experienced employees dedicated to providing the highest level of integrity, value and service. Westlake Pipe & Fittings is committed to sustainable stewardship as we strive to reduce our environmental footprint, conserve resources and recycle materials. Westlake Pipe & Fittings manufactures Schedule 40, Schedule 80, Insert, CTS, DWV, Irrigation and Swing Joints to strict industry standards with an earned reputation for product quality, innovation and technical leadership. Customers can rely upon a product used by millions of contractors worldwide. For over 65 years we have provided the products necessary to reliably transport liquids from source to application. Designers know the commitment Westlake Pipe & Fittings has to providing trouble free products and services.