Flexitime Cartridge Refill Pk Mono 50mL 2/B by Kulzer SKU 959-1251AA 123 $30.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Flexitime Monophase Refill: 2 - 50 mL Cartridges and 6 MIXPAC Mixing Tips.A-Silicone VPS Precision Impression Material.