#12 Perioscreen PTS, Box of 12 #12 Perioscreen PTS, Box of 12 PPS12PT Single-ended probe with color-coding of green and red. A plastic round tip. Ergonomic handle. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.