ConFirm™ Value Mail-in Biological Monitoring Service - 52 Tests PreviousNext ConFirm™ Value Mail-in Biological Monitoring Service - 52 Tests CVT520 0.0 star rating Write a review 52 tests (Each envelope contains 1 spore test strip and 1 control strip) Postage not included SKU Qty Included CVT520 52 tests per box CVT120 12 tests per box 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.