AF15CB Fuel Filter

Purchased the large one, with 2 filters in the funnel. Had a boat with 45 gallons of gas that was contaminated with water that I pumped dry. Ran it all through this and put it into a couple of other vehicles, no issues whatsoever. It is a flat bottomed funnel so it does leave a bit of extra down in the bottom, could have been designed a bit better. Can minimize this by tilting the last bit to get all you can through one of the filters then disposing of what remained - not all that much. Filters very quickly, I was pouring out of one 5 gallon jug into another, then into a vehicle. Filtered as fast as I was pouring. Tested by putting water in the funnel. Absolutely none ran through. I've no doubt it would filter any and all particulate too. Worked very well for what I needed. I'll take it to the farm to filter diesel there.

I wasn't sure if this was real or a gimmick. I had several 5 gal gas cans in the garage that had lots of condensation in them. They wouldn't run anything prior to filtering. I ran the gas thru Mr. Filter and it removed all the water, dirt, particles, and debris leaving pure gas. I was really shocked. My lawnmower ran with no issues after filtering the gas. So I then added the gas to my cars without any issue. No hesitation or sputtering. The gas was treated with stabilizer prior to being stored.

The reason I purchased Mr. Funnel is because I didn't want to have to go through the hassle of trying to find away to dispose of the diesel fuel when I change the filters on my pick up. I have 2 large after market fuel filters on my truck and when I change them and dump out the fuel from the filters I have a half a gallon of diesel fuel. I can't pour back in my truck because it's contaminated and I don't have a way of safely/ legally to dispose of it. So I purchased Mr. Funnel. I purchased the largest size, the f15 which has 2 filters in the funnel. I bought the biggest size because I didn't want to limited on flow rate. What I learned after using it for the first time is that both filters do not sit at the bottom of the funnel. They sit up about 3/4" from the bottom. This causes about 3/4" of fuel to left in the bottom of the funnel after it is done filtering. The f15 funnel is about 8" in dia which is still a good amount of fuel that I have to dispose of. The filter works as advertised but just be aware that you still have some waste fuel you will have to "legally" dispose of. I'm am going to purchased the f1 size. This way there should be a lot less waste fuel..

Works good ....some fuel left over in bottom..... probably just a funnel with HD screen be just as good

Will certainly filter out contaminants but in now way does it allow 12GPM of fuel through. Also leaves about a pint of fuel that will not go through (height of filter to bottom of the bowl of the filter base). Zero customer service. Email, phone call, no response. If I ever have to replace it, I’ll use an off brand for half the price.

I purchased the filter to eliminate any water or foreign debris from contaminating the fuel system in my boat tanks. It seems to to a good job in the filter department, and is reasonable in the time it takes for the fuel to get through the 10 micon filters. I purchased the 2 head model for this purpose. The real story came when I filled the funnel up with water, to see if any water would pass through. Water passed through at the rate of 3 large drips in 15 seconds. Sent a email to customer service, and they informated me the instructions stated to only fill the funnel 1/3 up the filter head to check for water passage. I did, and NO water came through. The great part is, they got back to me in 15 minutes, unlike some companies that will wait 15 days to answer you question.

Very slow filtering. I had lake water get in my tank. The gas on the left is from the pump. Gas on the right was ran 3 times through Mr Funnel. Still unusable. Filter size is too large to deal with much other than water in the fuel.

I am a junk yard and I reuse gas from the cars that I get. This helps me filter the debris out from the cars I get, since over time fuel tanks get filthy. Not only does this save me from putting the debris in my tank it saves me time from waiting for the debris to settle down then pouring it into my tank. I also bought a second one for my diesel equipment. As you can tell the the little bumps and white spots are the debris. This product does leave left over fuel inside the funnel but I don’t mind because I’ve had to throw the unused Fuel into my recycle bin and there’s more much left over. Don’t expect this product to make old Gas turn into new gas. All it does is filter the unwanted.