Designed for the Brother Inkjet print that gets a clogged jet… usually the black one, work on all. - User Friendly Brother Printhead Cleaning Kit with Full Instructions - 90% success rate with a $15.00 refund if it doesn't work - Compatible with all Brother MFC and DCP printers - Google V-YwGVcEqTc for instruction video - 20 cleans per kit Easy to use and effective, as long as your print head is still good. Used once; gloves not used. Paid $18 on Amazon.