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1717 16th St NE   Willmar, MN 56201       800.992.1725

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Pro4^® Overview

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Prinsco is a family-owned, values-driven company that makes doing business easy by building strong relationships and taking great care of our customers. 

Want the Prinsco Difference for your company? Contact us today to get started. 

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• Certified to meet the International Association of Plumbing and Mechanical Officials (IAPMO) standards 
• Asymmetrical arch design provides strength during installation 
• Meets H10 loading requirements for wheel loads of 16,000 lbs/axle with 12″ of cover
• Made with high-performance polymers
• Non-slip textured surface for added safety  
• Includes interlocking coupler with 10º joint articulation in either direction for contoured trench or bed applications
• Includes interlocking feature for endcap to chamber connection

In addition to supporting you with personal service, Prinsco has all kinds of resources available online to ensure you get the right onsite septic chambers for your needs.

Pro4^® Resources

Pro4® Chambers are gravelless drainfield solutions for residential and commercial septic systems. Designed for professional contractors, they deliver cost efficiency, delivery convenience, and easy installation while maximizing drainfield infiltration area.

The asymmetric arch is built strong to support your crew during install. And our team is built to support you with real people to answer your questions at any point in the process.

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Transforming Drainfields

Have questions about your installation or a technical question about the Pro4 septic chamber? The Prinsco application engineering team is here to help.

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+1-800-992-1725

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Features of Pro4® Onsite Septic Chambers

A Contractor's Review– Easier Install