qty. 1. core lab lead-in-air analyzer kit includes: air-sampling pump, comparator, lead in air reagents, 1 bottle water demineralizer, 2 25cc vials of charcoal, 2 glass funnels, 2 sample tubes, reservoir tubes, 2- stainless tubes, sample tube stand, instructions, and case. photo . qty. 2. kwik-way manufacturing co.