I've been using this since late summer, on my car and both bikes. Makes drying so much easier and I don't get water spots any more. Says it's good for 10k gallons! So it's a way better deal than those old mr. clean POS units.
http://www.amazon.com/Garden-Hose-Filter-Pesticides-Herbicides/dp/B007I6MN72/ref=sr_1_1?ie=UTF8&qid=1359244273&sr=8-1&keywords=garden+hose+filter
http://www.amazon.com/Garden-Hose-Filter-Pesticides-Herbicides/dp/B007I6MN72/ref=sr_1_1?ie=UTF8&qid=1359244273&sr=8-1&keywords=garden+hose+filter