Conic   Comfort         Number/cm Article 81500 22x11 Conic Small 81501 30x17 Conic Large     Number/cm Article 81502 19x11x19 Comfort Small 81503 26x20x26 Comfort Large   Trend       Number/cm Article 81506 20x11x20 Trend Small 81507 26x18x26 Trend Large