View Items to Compare. $14.10 - $37.50 USD / Pkg of 25. Masterflex. Product Type: Luer Fitting. $14.10 - $37.50USD / Pkg of 25. View All 5. Masterflex® Adapter Fittings, Female Luer to Hose Barb, Straight, Polycarbonate. View Items to Compare. $15.10 - $24.50 USD / Pkg of 25.