New easy-to-carry, impact resistant polyethylene carrying case with handle. 
2. No. 1101 CO2 Indicator - Clear acrylic plastic, virtually unbreakable. 
3. Aspirator Bulb, Filter and Tubing Assembly. 
4. Filter Wool - extra supply in bag for about 1000 tests. 
5. No. 171 Draft Gages - continuously indicating. 
6. Dwyer® Smoke Gage Pump - fast-working, this first known unit to conform with ASTM 
    D-2156-XX standards for testing smoke density in flue gases. 
7. Smoke Filter Paper - An exclusive Dwyer development. 
8. Magnehelic® Gage - 0.25" w.c. and 300 to 2000 FPM. Included in Model 1200-B kit below. 
9. Awl - pierces smoke pipe for thermometer and sampling tubes. 
10. CO2 Absorbent Solution - extra supply for many tests. 
11. No. A-503 Stack Thermometer - dial type, stainless steel 200 to 1000°F. 
12. Gage Oil - long-lasting extra supply. 
13. Spring Holders - for thermometer and terminal tubes. 
14. Hole Plugs - packet to fill awl holes. 
15. Smoke Chart - laminated plastic for comparison with samples taken. 
16. Dwyer® Combustion Efficiency Slide Rule Computer - simple to operate. 
17. Operating Instructions - simple, illustrated. Show step-by-step use. 
18. Combustion Data Cards and Parts List - plastic, weighs only 6 lb 8 oz.