VWR Lead Ring Flask Weights. Combining top-notch and uncompromising quality with an affordable price the VWR Lead Ring Flask Weights 800180116/ 29700-004 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Used to prevent flotation of flasks during water bath incubations. Vinyl covered. Specifications for VWR Lead Ring Flask Weights 800180116 : Fits Flasks mL: 125 to 500 Weight g (lbs.): 200 (0.5) (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Bel-Art products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Labware & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Labware & Accessories. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the VWR Lead Ring Flask Weights 800180116/ 29700-004 we carry a full complement of Labware & Accessories as well as other product offerings from Bel-Art. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Labware & Accessories please visit our Bel-Art page. For more brand name Labware & Accessories please visit our Labware & Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Lead Ring Flask Weights 800180116