The mark consists of the word PRO VAC SAC with the words PRO and SAC in dark blue and the word VAC in dark green. To the left of the words is a design element consisting of six substantially horizontal stripes that fan out slightly toward the right. The stripes are bisected by an arrow pointing to the left and having a bifurcated tail on the right, the top portion of the bifurcated tail beginning at the top stripe, and the bottom portion of the bifurcated tail beginning at the bottom stripe. The arrow is white with blue and green dots swirling within its borders. The substantially horizontal stripes are in shades of blue to the left of the arrow, the top stripe being dark blue and the colors of each successive stripe fading toward the medium blue of the bottom stripe. The substantially horizontal stripes are in shades of green to the right of the arrow, the top stripe being medium green and the colors of each successive stripe fading toward the yellow green of the bottom stripe.