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OHAUS Guardian™ 2000 Hotplates and Stirrers are ideal for education and other lab environments that require affordable, everyday fast heating and reliable stirring up to 15L. All three sizes offer simple knob control to easily adjust the heating and stirring functions. The durable housing includes a built-in support rod holder which accepts the optional support rod. Stirring models include PTFE coated stir bars.
| Part Number | Model | Function | Plate Size | Capacity | Plate Construction |
| OH-30680262 | E-G21HP04C | Heating | 4 x 4 in. | 15 L | Ceramic |
| OH-30680261 | E-G21HP07C | Heating | 7 x 7 in. | 15 L | Ceramic |
| OH-30680260 | E-G21HPRDS | Heating | 5.3 in. | 15 L | Ceramic-coated Stainless Steel |
| OH-30680259 | E-G21HS04C | Heating & Stirring | 4 x 4 in. | 15 L | Ceramic |
| OH-30680258 | E-G21HS07C | Heating & Stirring | 7 x 7 in. | 15 L | Ceramic |
| OH-30680257 | E-G21HSRDS | Heating & Stirring | 5.3 in. | 15 L | Ceramic-coated Stainless Steel |
| OH-30680265 | E-G21ST04R | Stirring | 4 x 4 in. | 15 L | Resin |
| OH-30680264 | E-G21ST07R | Stirring | 7 x 7 in. | 15 L | Resin |
| OH-30680263 | E-G21STRDS | Stirring | 5.3 in. | 15 L | Ceramic-coated Stainless Steel |
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