For Testing chemicals we offer these articles Anti-freeze Tester: Propylene Glycol Test Art-No. 421834 Price/Unit net: EUR 30,10 Add to Basket: Details » Fast and Easy Inquiry » Test Strips (1 box = 25 pcs.) Art-No. 421363 Price/Unit net: EUR 26,46 Add to Basket: Test strips for immersion. The colour chart indicates whether the chemical concentration is still adequate. Details » Fast and Easy Inquiry » Testing Agents for BL1 + BL2 Art-No. 421277 Price/Unit net: EUR 232,40 Add to Basket: Test Liquid for accurate Indication of the Degree of anti-corrosive Protection Details » Fast and Easy Inquiry »