G33-195 G33195 Maxi-View Speculum with Smoke Evacuation Tube - Large Graves G33-190 G33190 Maxi-View Speculum with Smoke Evacuation Tube - Medium Graves G33-185 G33185 Maxi-View Speculum with Smoke Evacuation Tube - Large Pederson G33-180 G33180 Maxi-View Speculum with Smoke Evacuation Tube - Medium Pederson