Arch Chemical 86223 HTH Spa Cartridge Filter Cleaner， 1-Pint<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Hth， pt， spa cartridge filter cleaner， active ingredient-tetra sodium edta 30-40percent</li><li>Adds Extra shine to your product</li><li>Manufactured in China</li></ul></div><img src="http://ecx.images-amazon.com/images/I/412KYs9ie0L.jpg" noproxy>