Buy Funnels direct from our factory in Ambala, India. Yash Instrument Company manufactures and exports ISO certified, borosilicate 3.3 funnels to the USA, UK, Germany, Australia, UAE, and more. All sizes available — enquire for bulk pricing or sample orders.
Gas Jars
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Measuring Scoops
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Powder Funnels - Jointed
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Powder Funnels
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Filter Funnels - Short Stem, Heavy Duty
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Filter Funnels - Short Stem
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Membrane Filter Assembly For Micro-analysis With Silicone Cork Cup Clamp
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Separating Funnel Pear Shape With Ptfe Stopcock Graduated
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Separating Funnel Pear Shape With Rota Flow Stopcock
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Separating Funnel Pear Shape With Glass Stopcock
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Dropping Funnel Graduated With Ptfe Stopcock
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Dropping Funnel Graduated With Rotaflow Stopcok
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Dropping Funnels (cylindrical)
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Dropping Funnels Cylindrical Graduated With Glass Stopcock
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Glass Filter Funnel
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Yash Instrument Gas Jars are cylindrical borosilicate 3.3 glass vessels used for collecting, storing, and demonstrating gases in chemistry laboratories and educational settings. Manufactured with a precision-ground rim, each jar pairs with a flat glass plate or cover to create an airtight seal during gas collection over water or pneumatic trough experiments.
Key Features
- Uniform wall thickness for even thermal distribution
- Ground and polished rim for a secure, leak-resistant seal
- Available in multiple capacities for classroom and industrial use
- High chemical resistance, suitable for repeated use with common laboratory gases
Applications: Commonly used in school and college chemistry demonstrations, gas collection experiments, and general laboratory gas-handling procedures.
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Yash Instrument Measuring Scoops are precision-molded borosilicate glass scoops designed for the accurate transfer and approximate measurement of powders, granules, and crystalline substances in laboratory and pharmaceutical settings.
Key Features
- Smooth, non-porous glass surface prevents powder residue buildup
- Chemically inert — safe for use with reactive or sensitive compounds
- Available in a range of scoop sizes for different sample volumes
- Easy to clean and autoclave-safe for repeated laboratory use
Applications: Ideal for pharmaceutical formulation, quality control labs, and any application requiring clean, contamination-free powder handling.
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Yash Instrument Jointed Powder Funnels feature a wide-bore stem and a standard ground glass joint, allowing direct, secure connection to flasks and other jointed glassware during powder transfer operations.
Key Features
- Wide stem opening minimizes clogging when transferring fine or coarse powders
- Standard interchangeable ground glass joint for leak-tight connection
- Borosilicate 3.3 construction resists thermal shock and chemical attack
- Available in multiple joint sizes to match common flask necks
Applications: Used extensively in synthesis and formulation work where powders must be introduced directly and cleanly into a closed glass system.
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Yash Instrument Powder Funnels are designed with a short, wide stem to allow smooth, unobstructed transfer of powders and granular materials into narrow-neck laboratory vessels such as volumetric flasks and bottles.
Key Features
- Short, wide-bore stem reduces the risk of clogging during transfer
- High-clarity borosilicate glass for easy visual monitoring of flow
- Resistant to staining, scratching, and most laboratory chemicals
- Available in a range of top diameters and stem sizes
Applications: A general-purpose funnel suited to routine powder transfer tasks across chemistry, pharma, and quality control laboratories.
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Yash Instrument Heavy Duty Short Stem Filter Funnels are constructed from thick-walled borosilicate 3.3 glass, built for demanding, high-frequency filtration work where durability and mechanical strength are priorities.
Key Features
- Thick-walled construction for added durability and resistance to chipping
- Short stem design for stability on filtration stands and flasks
- Smooth conical interior supports even filter paper seating
- Withstands repeated autoclaving and rigorous daily laboratory use
Applications: Recommended for industrial and high-throughput laboratory environments where funnels are subject to frequent handling and heavy use.
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Yash Instrument Short Stem Filter Funnels provide a compact, stable design for standard gravity filtration using filter paper, suited to routine laboratory filtration tasks.
Key Features
- Short stem lowers the center of gravity for added stability
- Smooth conical bowl ensures consistent filter paper fit
- Made from chemically resistant borosilicate 3.3 glass
- Available in a range of top diameters for different flask sizes
Applications: A dependable, everyday filtration funnel for general laboratory, educational, and quality control applications.
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Yash Instrument Membrane Filter Assembly is a complete vacuum filtration setup designed for micro-analysis applications, incorporating a borosilicate glass funnel, receiver flask, silicone cork adapter, and a secure clamp to hold the membrane filter in place under vacuum.
Key Features
- Silicone cork cup adapter provides an airtight, leak-free seal
- Clamp assembly ensures the membrane filter stays firmly seated during filtration
- Suited for microbiological, particulate, and micro-analysis filtration work
- Borosilicate glass components resist chemical attack and repeated sterilization
Applications: Widely used in microbiology, water testing, and pharmaceutical quality control labs for membrane-based sample analysis under vacuum.
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Yash Instrument Pear Shape Separating Funnels with a PTFE stopcock are designed for liquid-liquid extraction and phase separation, featuring graduated volume markings for accurate reading of separated layers.
Key Features
- PTFE stopcock offers grease-free, chemically inert operation
- Pear-shaped body improves phase separation and complete drainage
- Clear graduation markings for volume estimation during extraction
- Compatible with a wide range of solvents and reagents
Applications: Standard equipment for solvent extraction, purification, and phase-separation procedures in analytical and organic chemistry labs.
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Yash Instrument Pear Shape Separating Funnels fitted with a Rotaflow stopcock combine the classic pear-shaped design with a bore-through PTFE valve for smooth, precise, and maintenance-free flow control.
Key Features
- Rotaflow stopcock eliminates the need for stopcock grease
- Bore-through valve design allows fine control of liquid flow rate
- Pear shape promotes efficient phase separation
- Durable borosilicate 3.3 construction for long service life
Applications: Preferred in laboratories seeking a low-maintenance, precise-flow alternative to traditional glass or PTFE key stopcocks for extraction work.
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Yash Instrument Pear Shape Separating Funnels with a glass stopcock offer a traditional, cost-effective solution for liquid-liquid extraction, using a precision-ground glass key for flow control.
Key Features
- Precision-ground glass stopcock for a reliable seal
- Pear-shaped body for efficient separation of immiscible liquids
- High chemical resistance suited to a wide range of solvents
- Economical choice for routine extraction and separation tasks
Applications: A widely used, traditional separating funnel suited to standard extraction work in teaching and general-purpose laboratories.
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Yash Instrument Graduated Dropping Funnels with a PTFE stopcock are designed for the controlled, dropwise addition of reagents into reaction vessels, with graduation markings to monitor the volume dispensed.
Key Features
- PTFE stopcock provides grease-free, corrosion-resistant flow control
- Graduated scale allows precise monitoring of added volume
- Suitable for use with a wide range of reactive and corrosive reagents
- Standard ground glass joint for secure attachment to reaction setups
Applications: Essential for controlled reagent addition in synthesis, titration, and reaction chemistry where dropwise dosing is required.
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Yash Instrument Graduated Dropping Funnels fitted with a Rotaflow stopcock deliver precise, maintenance-free control over reagent addition, combining a bore-through PTFE valve with clear volume graduations.
Key Features
- Rotaflow valve allows fine, repeatable flow adjustment without grease
- Graduated markings support accurate dropwise reagent dosing
- Chemically resistant to aggressive solvents and reagents
- Standard ground glass joint for compatibility with common reaction setups
Applications: Suited to laboratories requiring consistent, fine-controlled reagent addition over extended reaction procedures.
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Yash Instrument Cylindrical Dropping Funnels feature a straight cylindrical body, offering a stable, easy-to-read alternative to pear-shaped designs for controlled reagent addition.
Key Features
- Cylindrical shape provides a consistent internal diameter along the full length
- Stable design suited to mounting on standard laboratory stands
- Borosilicate 3.3 glass for durability and thermal resistance
- Standard ground glass joint for secure connection to flasks
Applications: A practical choice for reaction setups where a straight-sided funnel profile is preferred for ease of monitoring and stand mounting.
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Yash Instrument Cylindrical Graduated Dropping Funnels with a glass stopcock combine a straight-sided body, clear volume graduations, and a precision-ground glass key for dependable, traditional flow control.
Key Features
- Graduated scale for accurate tracking of dispensed reagent volume
- Precision-ground glass stopcock for a reliable, repeatable seal
- Cylindrical profile for stable mounting and consistent readings
- Resistant to a broad range of laboratory chemicals and solvents
Applications: A dependable, economical option for laboratories requiring graduated, controlled reagent addition with a traditional glass stopcock.
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Yash Instrument Glass Filter Funnels are general-purpose borosilicate 3.3 glass funnels designed for standard gravity filtration using filter paper across a wide range of laboratory applications.
Key Features
- Smooth conical interior for even filter paper seating and consistent flow
- High resistance to thermal shock and common laboratory chemicals
- Available in multiple diameters to suit different flask and beaker sizes
- Durable, reusable construction suitable for repeated sterilization
Applications: A versatile, everyday funnel for routine filtration tasks in chemistry, pharmaceutical, and educational laboratories.