Coupland Aspirator Tip with Holes Coupland Aspirator Tip with Holes ASPCT4W Used for precision suction at surgical sites in the oral cavity. Tip Diameter3.0 mm SKU 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.