Any disposable filter, you can buy them at any hardware store and auto paint stores or lowes, and home depot. They run bout $5 to $7 for a two pack, it screws inline just like your fittings. The Grade #4 sand is what it is called, says that on the bag. Sift a bag of the this in under 2 min and bag of "play ground" sand will take you 15 to 20 min. Thats a big difference when you are strapped for time, and need 8 or 10 bags to complete a job. Eastwood has some sandblasting stuff if you ever want to look at there web site.
www.eastwood.com www.tptools.com the tptools has all kinds of sandblasting and media blasting anything you need and help you can get from this place. Maybe this will give you somemore help, think both places offer free catalogs.
