Filtek One Bulk Fill Posterior Restorative, Capsules Refill - A1, 20 x 0.2 gm capsules. Fast and easy one-step placement. Increased opacity for improved esthetics. Stress relief to enable up to 5mm depth of cure. Excellent adaptation and handling. Filtek One Bulk Fill Restorative is a quick and convenient single-step formulation with a 5 mm depth of cure for multiple types of restorations with aesthetic results. The increased opacity allows for uncompromised esthetic results and excellent adaptation and handling.