SK 14 type Solar parabolic Cookers are specially designed for Community of 15-20 persons. Aperture area 1.5 sq mtr. Its performance is fast compare to Box Cookers. You can use your Own cooking pots or pressure cookers of capacity 3L, 5L which you are using on LPG stove. Cooks one batch in 35 to 40 minutes. You can have 4 hrs of cooking per day. Minor Manual tracking required to maintain focal point. Folding & Rigid Construction helps the cooker last up to 20 yrs.