24 Pack Dry Erase Dot Circles for Classroom Whiteboard, (8 Colors, 11 in) auspowers_batchone If ambient temperature changes significantly

If ambient temperature changes significantly then you will need to rezero the refractometer with water

Anti-clogging dome screen filters sediment and particles

including 5 different sizes

Cable length & diameter:10cm/2

24 Pack Dry Erase Dot Circles for Classroom Whiteboard, (8 Colors, 11 in) auspowers_batchone If ambient temperature changes significantly24 Pack Dry Erase Dot Circles for Classroom Whiteboard, (8 Colors, 11 in) Make your classroom all the more engaging with these dry erase dot decals for students. Kids will love having their very own whiteboard stickers to practice handwriting, addition, spelling, and shapes. The colorful table dots come in the following colors: yellow, green, blue, pink, orange, teal, purple, and red. Each dry erase decal sticker measures 11 inches in diameter,