To view the bottle with a different cap, choose a letter from the following table under the Cap Section. "HB" Series Ref. Volume Caps Material HB125 125cc 141 58x32 I, M SCB, SCV, SCA PP or PE HB250 250cc 182 75x35 K, KAL PP or PE HB250 250cc 184 75x35 I, M SCB, SCV, SCA PP or PE HB250 250cc 202 75x35 KD PP or PE HB500 500cc 223 90x44 K, KAL PP or PE HB500 500cc 225 90x44 I, M SCB, SCV, SCA PP or PE HB500 500cc 243 90x44 KD PP or PE Optional Caps KD SCB I K M SCV SCA KAL