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In order to obtain the Best Lab Filtering Funnels (2021), our dynamic platforms and gurus have taken many parameters into account such as product usability, features that meet buyers needs and give customer satisfaction, deficiency-free, standards conformance, affordability, dependability, user-friendly design, quality conformance to needs and guidlines, health and safety, real customer satisfaction and numerous others. It is of great importance to note that each user has different needs so please use the benchmarking below as a guideline and not as a gospel. Nonetheless, in the shortlist below you can absolutely find the overall best ones regardless of your needs.

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Best Lab Filtering Funnels

Best Choice No. 1
1000mL Lab Vacuum Filtration Apparatus | Flask to Filter Solutions, Oils, E-Liquids, and More | 1000mL Filtering Flask and 300mL Graduated Funnel | Glass Suction Filtering Kit | 1 Year Warranty
  • PURE SOLUTIONS: The filtering lab flask can be used to separate components or impurities in your mixtures or solutions. The filtration apparatus is built to last with tough, heat resistant borosilicate glass designed to handle boiling liquids and strong vacuums. The glass is packaged tightly and thoroughly inspected to guarantee you receive an unblemished product.
  • LAB QUALITY, MANY USES: Use the 1000mL filtering flask for chemistry experiments in the lab or school; to make e-juice, distilling, concentrate and oils; to filter essential oils and plant extracts; to make soap; and more!
  • FAST FILTERING ACTION: The filtering and distillation kit can be used with or without a vacuum. For faster, higher volume jobs, just hook up a vacuum hose to the filtering flask and quickly pull your solution through the funnel. A lab vacuum filtration apparatus allows you to filter oil and water soluble solutions without damaging or losing heat-sensitive compounds in a distillation. This filtering flask comes with a high quality rubber stopper and aluminum clamp that allow for strong vacuums.
  • EASY TO USE: The kit can be set up in minutes and is easy to disassemble, clean and store. The 1000mL filtering flask can handle larger jobs. The 300mL graduate funnel allows for easy measurement, unlike most Buchner funnel apparatuses. Best used with 50mm, 10μm membrane filter paper.
  • AMERICAN COMPANY: Sold by Fristaden Lab, an American lab equipment company. We back the filtration apparatus with a 1 Year Warranty. If you have any problems with or questions about the distillation apparatus our customer service knows this product well and is ready to help you.
Best Choice No. 2
Sscon 2pcs 150ml Lab Funnel Plastic Laboratory Filter Funnel Wide Mouth, Clear
  • It is used to channel liquid or fine-grained substances into containers with a small opening.
  • An ideal laboratory funnel used for separating solids from liquids via the laboratory process of filtering.
  • Lab Funnel Capacity:150ml(5.07oz.). Top Diameter: 150mm / 5.9″. Overall Length: 140mm / 5.5″
  • Other Applications: Transport fluid, add oil or water, powder ect, for kitchen use.
  • Easy to store, funnels can be nested,can save the space. Quantity: 2Pack. Color: Clear
Best Choice No. 3
Flameer 500ml Filtration Apparatus Vacuum Lab Filtering Unit with Funnel and Clamp, Compatible with 47-60mm Membrane Filter Paper
  • Filter Flask Capacity: 500ml
  • Bottom Diameter of Flask: 11.5cm; Opening Diameter of Flask: 2.7cm
  • Graduated Funnel Capacity: 300ml (50mL graduations for quick, easy measurement)
  • Diameter of Sand Cone: 42mm, 42mm is also the inner diameter of the filter joint. So you have to choose the membrane filters of larger size than Diam. 42mm.
  • Funnel Top Diameter: 8cm; the filter is 12cm high.
Best Choice No. 4
Autoark Borosilicate Glass 500ml Buchner Filtering Funnel with Coarse Frit(G3),94mm Inner-Diameter,100mm Depth,with 24/40 Standard Taper Inner Joint and Vacuum Serrated Tubulation,AIS-003
  • Made of high quality borosilicate glass,Strong and durable,corrosion resistance
  • G3 15~40 μm Nominal Max.Pore Size,94mm Inner-Diameter,24/40 Joint
  • Capacity:500ml
  • Autoark provides high quality laboratory supplies and customer service
Best Choice No. 5
VEVOR Buchner Funnel Apparatus 5000ml Buchner Funnel Flask 150 mm Dia. Vacuum Funnel Made of 3.3 Borosilicate Glass & Ceramic Lab Buchner Funnel with Rubber Stopper & Latex Tube for Filtering Particle
  • 【PREMIUM MATERIALS】 – This filter flask 5000 ml is constructed with high-quality borosilicate glass, featuring a massive wall and low expansion rate. It has a high perspective and transmittance, with a smooth and transparent surface free from protrusion.
  • 【LARGE DIAMETER FUNNEL】 – With the sturdy ceramic material, our vacuum filter funnel provides ultra-high hardness, antioxidant property, and long service life. This 5.91″/150 mm Buchner funnel shows strong chemical stability when containing acid/basic solution.
  • 【EFFECTIVE FILTERING】 – The Buchner funnel set is equipped with a 5000 ml filter flask and a 3.28 ft/1 m latex tube to connect to other containers or vacuum pumps. The funnel can be used with filter papers to filter out impurity particles in the solution effectively.
  • 【SEALING PERFORMANCE】 – The filter flask set 5000 ml comes with a rubber stopper, providing the device with superb sealing property and excellent pressure-resistance. The rubber plug connects the funnel and flask tightly from the inside without any leakage.
  • 【VERSATILE USES】 – This glass suction filter kit is widely used for chemical analysis, biological products, product industry, scientific research, sterility test, etc., to filter particles and bacteria, also suitable for the filtration of culture medium and heat-sensitive drugs.
Best Choice No. 6
Deschem 24/40 Glass Buchner Filtering Funnel with Fine Frit Vacuum Serrated Tubulation Lab Borosilicate Glassware (60ml, 2# Coarse)
  • Made From Borosilicate Glass 3.3
  • Annealing Point ——560℃
  • Linear Coefficient of Expansion—— 32×10-7/℃
  • Softening Point——820℃
  • Deschem Science Supply
Best Choice No. 7
Laboy Glass Sand Core Filtering Buchner Funnel 350mL with 24/40 Joint & 80mm O.D. Medium Fritted Disc & Vacuum Take Off Filtration Apparatus Lab Glassware
  • DESIGN—This is a buchner funnel made of borosilicate glass, on top of the funnel-shaped part there is a cylinder with a fritted glass disc instead of filter paper.The liquid to be filtered is poured into the cylinder and drawn through the fritted glass disc by vacuum suction.With a jointed vacuum take off adapter at bottom, it has a lower standard taper inner joint and serrated hose connection to a vacuum source.
  • ADVANTAGE & FUNCTION —–A buchner funnel using vacuum suction for filtration can proceed filtration more quickly than common simple filter funnel via the force of gravity.It is commonly used in organic chemistry to collect recrystallized compounds.This buchner funnel with vacuum take off is usually used with a heavy wall Erlenmeyer flask.
  • DIMENSIONS——The glass frit disc plate on top of the funnel with the pore diameter from 10 to 20 micron .The outer diameter of the frit disc plate is 80mm.With 24/40 standard taper inner joint at the/ lower part and a side glass hose connection with 10mm O.D.at the largest serration.The capacity of the cylinder is 350mL.
  • HEAVY WALL —This buchner funnel is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable.
  • 100% 90 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don’t hesitate to contact us ,we will arrange free replacement or full refund.
Best Choice No. 8
StonyLab Borosilicate Glass Buchner Filtering Funnel with Coarse Frit(G1), 94mm Inner-Diameter, 100mm Depth, with 24/40 Standard Taper Inner Joint and Vacuum Serrated Tubulation (500ml)
  • G1 80~120 μm Nominal Max. Pore Size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 94mm diameter
  • 24/40 Joint
  • 500ml Capacity
  • Glass buchner filter funnels; made of high quality glass
  • StonyLab ensures high quality products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied
Best Choice No. 9
QWORK 500ml Filtering Buchner Funnel Medium Frit (G2) Lab Glassware with Standard 24/40 Joint and Vacuum Serrated Tubulation, 94mm I.D, 100mm Depth
  • High Quality – Made of borosilicate glass, it has the advantage of excellent physical and chemical resistant.
  • Medium Frit – The Pore Size is G2, which max. size is 40~80 μm.
  • Specification – The inner diameter is 94mm with the 24/40 standard joint.
  • Capacity – The capacity is 500ml.
  • 100% Satisfied Service – Enjoy a smooth & frustration free experience with our 100% Satisfied Service in one Month!
Best Choice No. 10
stonylab Borosilicate Glass Triangle Filter Funnel with 90mm Top Outer Dimension, 24/40 Inner Joint Glass Filtering Funnels
  • Top Outside Diameter: 90mm
  • Standard 24/40 Joint
  • Made of borosilicate glass, smooth flow
  • Heavy Duty Design, Reusable and durable
  • StonyLab Warranty: 1-month hassle free return and 12-month limited warranty

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