Seracult Triple Slide Fecal Occult Blood Test 372007 (37200700). The Seracult FOBT guaiac test is a qualitative aid in the diagnosis of colorectal cancer. It is designed for use in routine physical examinations in doctors' offices, hospitals, clinics and laboratories. Seracult mailing kit contains: two boxes, each containing 40 kits (triple slide & 3 applicators, 3 collection tissues and USPS approved foil lined mailing envelope) and two 15 ml bottles of developer. Priced per case of 2 boxes. FREE Shipping!