#PVC1 - 5 1/2 oz/Blue

PVC2 - 5 1/2 oz/Black & White

PVC3 - 5 1/2 oz/Green & White

PVC4 - 5 1/2 oz/Red & White

PRO-V NEW COLORS! Waste-Adsorbing Crystals Now in FOUR attractive colors Decorative, waste-adsorbing crystals. Naturally absorbs ammonia. Great for Betta & Goldfish bowls.