Check the listing for details. BRAVA Breast Enhancement 1.0 micron line filters, 10 per pkg.. Condition: New. Listed at 15.07 USD. BRAVA Breast Enhancement 1.0 micron line filters, 10 per pkg. New old stock. These filters were produced by BRAVA for the prevention of sweat and/or debris clogging the vacuum tubing that is used between a Smart Box and the vacuum tubing for the BRAVA Breast Enhancement system. There are ten (10) filters per sealed plastic package. Each one has a Luer locking port to allow secure connection to the tubing and, on its other side, to the Smart Box. An official BRAVA illustrated instruction sheet is included with each bag of filters. Each filter measures 25 mm in diameter. They are made of polypropylene. The filter is effective to 1.0 micron particle size. This device can also be used with a standard Luer-tipped syringe for applications other than the BRAVA device. Two (2) free filters will be included with each purchase of a 10-pack on a first come-first served basis, as long as supplies last.