ZEAL TYPE
0-40⁰ - Double Tested - Accurate
0-40⁰ - Metal Scale - Silver Polish

QUEVENE TYPE
15-40⁰ at T 60⁰ F
20-40⁰ at T 60⁰ F
20-35⁰ at T 60⁰ F
15-40⁰ at T 60⁰ F - DOUBLE TESTED - Accurate