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Burettes – Automatic With PTFE Needle Valve Stopcock in Schellbach Stripe Class AS(BU.25C)
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Burettes – Automatic With PTFE Stopcock Class A (BU.26A) Class A & NABL (BU.26B)
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Burettes – Rota Flow Key (with PTFE Needle Valve) (BU.15)
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Burettes – Rotaflow Key (with PTFE Needle Valve) Class A (BU.16) Class A & NABL (BU.16A)
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Burettes – Straight Bore (Glass Key) (BU.12)
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Burettes – Straight Bore (Glass Key) Class A (BU.13) Class A & NABL (BU.13A)
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Burettes – Straight Bore with PTFE Key Class A (BU.19) With Class A & NABL (BU.19A)
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Burettes – Straight Bore(Glass Key) (In Schellbach Stripe) Class As (BO.14)
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Burettes – with PTFE Detachable Stopcock Class B (BU.21)