Opalescence Boost PF - 40% HP In-Office Power Whitener, Patient Kit: 2 x 1.2 ml Opalescence Boost /Activator syringes, 1 x 1.2 ml OpalDam Green syringe, 1 x IsoBlock, 1 x Shade guide card, 5 x Micro 20 ga tips, 5 x Micro 20 ga FX tips. Powerful 40% hydrogen peroxide gel is chemically activated, so it doesn’t require a hot, uncomfortable light to work. Contains PF (Potassium nitrate and Fluoride). Fresh chemical for each application. No refrigeration required prior to mixing. Patient kit