BISS: Laboratory Support Ring Set, 4 Ring Assortment - MHB
BISS: Clamp Retort with 3 Black Sleeved Prongs and Boss Head - The Punjab Scientific Industries
BISS: Sciencent Support Stand 8" x 5" Coated Base Size - 24" Corrosion resistant Rod - Cork Lined Burette Clamp with Boss Head and Retort Ring (2.5" dia) - The Punjab Scientific Industries
BISS: Laboratory Grade Metalware Set - Support Stand (8" x 5"), 12mm Dia. Rod (24" L), Cork Lined Burette Clamp with Boss Head and Retort Ring (2.5" dia) - EISCO
BISS: American Educational Cast Iron Support Ring and Clamp, 6" OD - American Educational
BISS: Actopus 24" Laboratory Support Stand Set Retort Stand and Clamp Ring - Actopus
BISS: Sciencent Retort Stand 3 Support Ring set. Premium Lab Metalware Equipment - The Punjab Scientific Industries
BISS: EISCO Premium Lab Metalware Set - EISCO
BISS: PUL FACTORY Laboratory Metalware Set,Support Stand 21x13.5cm, Rod 50cm Length, Retort Ring 6cm and 8cm in Dia. - PUL FACTORY
BISS: Eisco Labs Research Grade Lab Starter Kit - Includes 24" Rod, 8"x5" Retort Base, Beaker Tongs, Crucible Tongs, Burette/Test Tube Clamp, Ring Stand (and more) - EISCO
BISS: United Scientific SRCI04 Cast Iron Support Ring, 4" Diameter - United Scientific Supplies
BISS: HUAHA Laboratory Grade Metalware Set - Support Stand (15cm x 8.5cm), Rod (30cm L), Cork Lined Burette Clamp with Boss Head and Retort Ring (4.3cm Dia) - Huaha
BISS: Ajax Scientific Cast Iron Support Ring with Clamp, 3" Diameter - Ajax Scientific
BISS: SEOH CLAMP HOLDER Light Alloy off-set jaws - Scientific Equipment of Houston
BISS: LEMO Mini Retort Stands Support Clamp Flask Laboratory Stand Set High Height 30CM TO301 - LEMO
BISS: Karter Scientific 209Q2 Cast Iron Laboratory Support Ring with Clamp, 2 inch, 50mm - Karter Scientific
BISS: GSC International 4-SRC44 Support Ring with Clamp, Cast Iron, 6" Outside Diameter - Thomas Scientific
BISS: United Scientific SRCI05 Cast Iron Support Ring, 5" Diameter - United Scientific Supplies
BISS: Ajax Scientific Cast Iron Support Ring with Clamp, 2" Diameter - Ajax Scientific
BISS: SEOH WIRE SUPPORT RINGS w/CLAMP 5
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