NEW: OneFit is now available to order in Master Packs!

The proven performance of Inserta Tee® continues on with OneFit (in sizes 4”-8”). Complete your projects faster and more efficiently with bulk ordering, easy installation and the peace of mind that comes with long-term durability.

Schedule Your Demo

The same high performance of the original Inserta Tee but even more flexible

Trust that OneFit is the best fit for your next project—it offers the same superior performance and reliability of the original but with added flexibility, strength and simplicity. Now available in three sizes (4”-8”).

Why Choose OneFit?

This high-performance service connection is watertight, air testable and modernized to fit any mainline pipe type 10’’ (250mm) and larger for unrivaled versatility.

Additional Product Info
Highly Versatile
Fits any mainline pipe type 10’’ (250mm) and larger to tackle any project coming down the pipeline.
Affordable Efficiency
More cost-effective than fabricated and molded tees with the additional value of fast installation.
Flexible Application
Use for roof drain leaders, structures, catch basins, storm sewers, wet wells and irrigation.
Superior Performance
Offers the same trusted performance and reliability as the original Inserta Tee®.
Highly Versatile
Fits any mainline pipe type 10’’ (250mm) and larger to tackle any project coming down the pipeline.
Affordable Efficiency
More cost-effective than fabricated and molded tees with the additional value of fast installation.
Flexible Application
Use for roof drain leaders, structures, catch basins, storm sewers, wet wells and irrigation.
Superior Performance
Offers the same trusted performance and reliability as the original Inserta Tee®.
“The OneFit has many advantages. Primarily, it's that the rubber sleeve is adjustable and can fit any mainline pipe type. Because of this feature, we successfully stock the OneFit and more importantly we provide a high-quality product with same-day service to our customers.”
- Roy Sands, Core & Main District Manager

Connect and Carry On

Build a secure connection with an ADS representative and meet to discuss the many benefits of OneFit.

Join our ADS Preferred Distributor Program

Become a preferred distributor and take advantage of incentives, order discounts and stock protection.

Product Comparison

OneFit seals the deal and gets the job done right the first time when compared to similar service connection products.

Inserta Tee® One Fit Rubber Saddle Tee Saddle Other Product
Testing Air testable in most pipes; meets the testing requirements of ASTM D3212 at 10.8 psi (75 kPa). Field testable to ASTM F2487, C969, and F1417 Test information limited and does not meet ASTM D3212 at 10.8 psi (75 kPa). Test information limited and does not meet ASTM D3212 at 10.8 psi (75 kPa). Test information limited and does not meet ASTM D3212 at 10.8 psi (75 kPa).
Installation Fast, effective, and easy to install. Installation instructions ensure coring the perfect hole. Minimum protrusion will not interfere with post-installation inspection. No straps or bands to re-tighten. No need to disturb backfill around the host pipe. No installation instructions on how to core the hole. Bands need to be installed around the host pipe and need to be re-tightened after 15 minutes. Backfill must be removed completely around the host pipe. Cannot be used on corrugated or ribbed host pipe. Specific diameter hole required to keep boot from collapsing into the host pipe. Bands and straps must be tightened to specific torque and re-tightened after 15 minutes. Backfill must be removed completely around the host pipe. Cannot be used on corrugated or ribbed host pipe. No installation instructions on how to cut the hole. Protrusion into mainline will interfere with postinstallation video equipment or mandrels.
Mainline Adaptability Will fit all common types and diameters of mainline pipe. Limited to smooth exterior wall mainline pipes. Limited to smooth exterior wall mainline pipes. Limited mainline pipe types and diameters.
Lateral Connection Bell connections to fit all common lateral pipe types. Limited lateral sizes and types. Limited lateral sizes and types. Limited lateral sizes and types.

OneFit for your project.

Please complete the form and an ADS sales representative will get back to you about scheduling a product demo, usually within 48 hours.