Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Error In item Description

Just to warn potencial buyers, this item's description is in error! According to Cokin, the equivalents Cokin/ISO of the Blue series is: 020/80A, 021/80B, 022/80C (holds for both A and P series). Thus, this item should be titled: "... Filter A021 80B (blue)A020" Hope this note is usefull!