KENIS Reel-type pH test paper 3-138-0021 1 piece

Catalog number: 3-138-0021 Features: ● The reel type is a roll type that can be cut to the required length for use. ● The reel type has a color chart attached to the dispenser. ● The book type is a type that can be torn off one sheet at a time for use. ● Each book of the book type has a color chart. ● The book type comes in a pack of 10 books with 20 sheets bound together. Specifications: ● Width (mm): 7 ● Length (m): 5 ● Measurement range: pH 1 to 14 (full range) ● Type: Reel type ● 20 sheets bound x 10 books Note: ● Reel type and book type are available.