Flugelhorn Mouthpiece Cleaning Brush - Mouthpiece Cleaner for Better Tone Production & Flugelhorn Valve Casing Brush- 3 Pack Package includes Brass Mouthpiece Cleaning Brush & Valve Brush- 3 pack of both. Brass Mouthpiece Cleaning Brush - This powerful cleaning tool helps remove dirt & grime build-up inside your mouthpiece, which is unsightly and detrimental. The tapered shape of this stiff bristled nylon mouthpiece cleaning brush enables thorough cleaning, and will help you maintain an unobstructed airflow making for better tone production. This tool is an essential accessory for all Brass Players. Valve Brush: This Valve Casing Brush by RS Berkeley will keep your Instrument working and sounding great! This brush is made up of wide bristles that will clean out the dirt and grime from your valve casing. Featuring soft bristles that will not damage your delicate casings.