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The Toilet Paper Oil Filter Company

We are the Manufacturer and sales of the REFINER by-pass oil filter invented by John Frantz.



Toilet paper filters are the best product on the market for cleaning your engine oil and reducing the need for expensive oil changes every three months.

The Refiner Oil Filter by John Frantz is not a new product. What is new is the redesigned features. The product actually came to us in the late 50s and early 60s. Your father or grandfather probably had one on his 55 Chevy, GTO, hot rod, or even semi-tractor trailer rig. Today, it is used on pretty much all automobiles and trucks including Chevrolet Duramax, Ford Powerstroke, and Dodge Cummins diesel engines.

The Refiner Oil Filter by John Frantz is also appropriate for smaller applications including generators, tractors, yard tractors, riding lawnmowers, and more. Many customers also use it for static filtration uses to rehab "veggie oils" and used engine oil for purposes as fuel in diesel applications.

The Refiner Oil Filter is also beneficial for use on tractors, generators, boats, dune buggies, trucks, motorcycles, and just about anything that runs with an internal combustion gasoline or diesel engine.

The Refiner by John Frantz will keep your engine analytically clean when used properly and obeying proper element change frequency.

The technology of the Refiner Oil Filter is such that there are NO INTERNAL MOVING PARTS to wear out and it is easy to install on most any vehicle. It also works in any positon - straight up, upside down, or even sideways. Changing the element might be a consideration when mounting it sideways but occasionally with today's compact engines under the hood, that is the only way to mount it. Some even mount it in the bed of their pickup truck or in the vehicle trunk of a vehicle. You are only limited by the length of oil line hose.

If you even have a question about our products or installation procedure, just call and ask assistance from our friendly reliable staff. All orders are taken by phone for your privacy and protection. CALL (951) 897-4153.

Please do not try to use the shopping cart. All orders are taken by phone for personal service. Ask for Ed.

Please note, we are on the West Coast. If you are on the East Coast, please do not call us until after 11 a.m.

 This business is recognized by VAMBOA (Veterans and Military Business Owners Association).

Ed served in the military in the U.S. Navy Submarine ("Silent Service") aboard the nuclear submarine USS Will Rogers (SSBN659) Gold Crew and has an honorable discharge after five deterrent Polaris Missile top secret patrols acting as a Sonar Technician Watch Supervisor during the Cold War.


Ed is also on the Board of Directors for the Pinon Hills (California) Chamber of Commerce.