ROBU Filter Funnels 250ml, 80mm Ø Porosity 2, 18mm Stem Ø
Product overview
The ROBU Filter Funnels 250ml are designed with an 80mm funnel diameter and an 18mm stem diameter, featuring porosity grade 2 for medium filtration needs. Crafted from high-quality sintered borosilicate glass, these funnels ensure chemical durability and uniform filtration efficiency.
Key Features:
- Brand: ROBU
- Capacity: 250ml
- Funnel Diameter: 80mm
- Stem Diameter: 18mm
- Porosity: Grade 2 (medium)
- Material: Sintered borosilicate glass
- Application: Medium-grade laboratory filtration tasks
Ideal for routine lab procedures requiring dependable and reusable glass filtration equipment.
Frequently Asked Questions
1. What is the ROBU Filter Funnels 250ml, 80mm Ø Porosity 2, 18mm Stem Ø used for?
It are designed with an 80mm funnel diameter and an 18mm stem diameter, featuring porosity grade 2 for medium filtration needs. Crafted from high-quality sintered borosilicate glass, these funnels ensure chemical durability and uniform filtration efficiency.
2. Is the ROBU Filter Funnels 250ml, 80mm Ø Porosity 2, 18mm Stem Ø suitable for Medium-grade laboratory filtration tasks?
Yes. It is designed for Medium-grade laboratory filtration tasks, and offers a capacity of 250ml and a funnel diameter of 80mm to support this kind of work.
3. What capacity and funnel diameter does the ROBU Filter Funnels 250ml, 80mm Ø Porosity 2, 18mm Stem Ø have?
It has a capacity of 250ml, a funnel diameter of 80mm and a stem diameter of 18mm, and is supplied under manufacturer part number 21 25 2.
4. What is the ROBU Filter Funnels 250ml, 80mm Ø Porosity 2, 18mm Stem Ø made from and what features does it include?
It is made from sintered borosilicate glass. It also offers grade 2 (medium).
5. How does the ROBU Filter Funnels 250ml, 80mm Ø Porosity 2, 18mm Stem Ø compare with the Lenz-Laborglas Filter Funnel 500 ml, Porosity 4 Filter Plate Dia. 95 mm, High 200 mm Boro 3.3 from Lenz-Laborglas?
For Medium-grade laboratory filtration tasks, the ROBU model is the better choice, offering a capacity of 250ml, a funnel diameter of 80mm and a stem diameter of 18mm. The Lenz-Laborglas model offers a capacity of 500 ml, perfect for medium-volume filtering tasks, a porosity of 4, offering medium filtration capabilities and a filter plate diameter of 95 mm, providing adequate surface area for filtering as an alternative, while the ROBU model's grade 2 (medium) help make it a strong fit for Medium-grade laboratory filtration tasks.
Product Specifications
- HS Code #70179000
- Filter Ø80 mm
- Funnel Ø85 mm
- MaterialBoro 3.3
- Max. filter Ø80 mm
- Nominal capacity250 ml
- Porosity2
- Stem Ø18 mm
- UNSPSC41121809
Products related to this item (38)
product | Mfr # | Part # | Product name | Nominal capacity | Material | Price | Availability | |
21 50 3 | 9.052 369 | ROBU Glass Filter Funnel, 50 mL, Porosity 3, 36 mm Diameter, 10 mm Stem | 50 ml | Boro 3.3 | 1,366.20 | In stock | ||
21 50 2 | 9.052 368 | ROBU Glasfilter-Geräte Filter Funnels, 50ml Porosity 2, 36mm, 10mm Stem | 50 ml | Boro 3.3 | 1,366.20 | In stock | ||
21 12 3 | 9.052 377 | ROBU Glasfilter-Geräte Filter Funnels, 125ml Porosity 3, 60mm, 10mm Stem | 125 ml | Boro 3.3 | 1,872.20 | In stock | ||
21 12 4 | 9.052 378 | ROBU Filter Funnels 125 mL, Porosity 4, 60 mm Ø, 10 mm Stem Ø | 125 ml | Boro 3.3 | 2,024.00 | In stock | ||
21 50 4 | 9.052 370 | ROBU Filter Funnel 50ml Porosity 4, 36mmØ, 10mm Stem Ø | 50 ml | Boro 3.3 | 1,442.10 | In stock | ||
21 12 2 | 9.052 376 | ROBU Büchner Filter Funnel 125ml Porosity 2, 60mmØ, 10mm Stem Ø | 125 ml | Boro 3.3 | 1,872.20 | In stock | ||
21 55 4 | 9.052 382 | ROBU Filter Funnels 500 mL, Porosity 4, 95 mm Ø, 22 mm Stem Ø | 500 ml | Boro 3.3 | 3,668.50 | In stock | ||
21 25 3 | 9.052 068 | ROBU Büchner Filter Funnel 250ml Porosity 3, 80mmØ, 18mm Stem Ø | 250 ml | Boro 3.3 | 2,555.30 | In stock | ||
21 55 3 | 9.052 381 | ROBU Filter Funnels 500 mL, Porosity 3, 95 mm Ø, 22 mm Stem Ø | 500 ml | Boro 3.3 | 3,111.90 | In stock | ||
21 25 4 | 9.052 069 | ROBU Filter Funnels 250 mL, 80 mm Ø Porosity 4, 18 mm Stem Ø | 250 ml | Boro 3.3 | 2,909.50 | |||
21 50 1 | 9.052 367 | ROBU Glasfilter-Geräte Filter Funnels, 50ml Porosity 1, 36mm, 10mm Stem | 50 ml | Boro 3.3 | 1,366.20 | |||
21 75 1 | 9.052 371 | ROBU Glasfilter-Geräte Filter Funnels, 75ml Porosity 1, 48mm, 10mm Stem | 75 ml | Boro 3.3 | 1,467.40 | |||
21 12 1 | 9.052 375 | ROBU Glasfilter-Geräte Filter Funnels, 125ml Porosity 1, 60mm, 10mm Stem | 125 ml | Boro 3.3 | 1,872.20 | |||
21 55 1 | 9.052 379 | ROBU Filter Funnel, 500 mL, Porosity 1, 95 mm Diameter, 22 mm Stem Diameter | 500 ml | Boro 3.3 | 3,111.90 | |||
21 55 2 | 9.052 380 | ROBU Glasfilter-Geräte Filter Funnels 500ml Porosity 2, 95mm, 22mm Stem | 500 ml | Boro 3.3 | 3,111.90 | |||
21 11 3 | 9.052 385 | ROBU Filter Funnels 1000 mL, Porosity 3, 124 mm Ø, 22 mm Stem Ø | 1000 ml | Boro 3.3 | 5,110.60 | |||
21 11 4 | 9.052 386 | ROBU Glasfilter-Geräte Filter Funnels 1000ml Porosity 4, 124mm, 22mm Stem | 1000 ml | Boro 3.3 | 5,135.90 | |||
21 40 1 | 9.052 387 | ROBU Filter Funnels, 4000ml Porosity 1, 180mm, Ø 30mm Stem Ø | 4000 ml | Boro 3.3 | 11,840.40 | |||
21 40 2 | 9.052 388 | ROBU Filter Funnels, 4000ml Porosity 2, 180mm, Ø 30mm Stem Ø | 4000 ml | Boro 3.3 | 11,840.40 | |||
21 40 3 | 9.052 389 | ROBU Filter Funnels, 4000ml Porosity 3, 180mm Ø Stem, 30mm Ø | 4000 ml | Boro 3.3 | 11,840.40 | |||
21 40 4 | 9.052 390 | ROBU Filter Funnels, 4000ml Porosity 4, 180mm Ø Stem, 30mm Ø | 4000 ml | Boro 3.3 | 13,611.40 | |||
21 75 2 | 9.052 372 | ROBU Filter Funnels 75ml Porosity 2, 48mm Ø, 10mm Stem Ø | 75 ml | Boro 3.3 | 1,467.40 | |||
21 75 3 | 9.052 373 | ROBU Filter Funnels 75ml Porosity 3, 48mmØ, 10mm Stem Ø | 75 ml | Boro 3.3 | 1,467.40 | |||
21 75 4 | 9.052 374 | ROBU Filter Funnel 75ml Porosity 4, 48mmØ, 10mm Stem Ø | 75 ml | Boro 3.3 | 1,568.60 | |||
21 11 1 | 9.052 383 | ROBU Filter Funnels 1000ml, 124mm Ø Porosity 1, 22mm Stem Ø | 1000 ml | Boro 3.3 | 5,110.60 | |||
21 25 1 | 9.052 066 | ROBU Filter Funnels 250ml, 80mm Ø Porosity 1, 18mm Stem Ø | 250 ml | Boro 3.3 | 2,555.30 | |||
21 11 2 | 9.052 384 | ROBU Filter Funnels 1000ml Porosity 2, 124mm Ø, 22mm Stem Ø | 1000 ml | Boro 3.3 | 5,110.60 | |||
21 75 F | 4.680 331 | ROBU Filter Funnels 75ml Porosity F, 48mmØ, 10mm Stem Ø | 75 ml | Boro 3.3 | 1,796.30 | |||
21 12 F | 4.680 332 | ROBU Filter Funnels 125ml Porosity F, 60mmØ, 10mm Stem Ø | 125 ml | Boro 3.3 | 2,352.90 | |||
21 25 F | 4.680 333 | ROBU Filter Funnels 250ml Porosity F, 80mmØ, 18mm Stem Ø | 250 ml | Boro 3.3 | 3,491.40 | |||
21 55 F | 4.680 334 | ROBU Filter Funnels 500ml Porosity F, 95mmØ, 22mm Stem Ø | 500 ml | Boro 3.3 | 4,376.90 | |||
21 11 F | 4.680 335 | ROBU Filter Funnels 1000ml Porosity F, 124mmØ, 22mm Stem Ø | 1000 ml | Boro 3.3 | 5,692.50 | |||
21 80 0 | 4.680 336 | ROBU Filter Funnel 8000 ml Porosity 0, 205 mm Ø, Arm 40 mm Ø | 8000 ml | Boro 3.3 | 20,796.60 | |||
21 80 1 | 4.680 337 | ROBU Filter Funnel 8000 ml Porosity 1, 205 mm Ø, Arm 40 mm Ø | 8000 ml | Boro 3.3 | 20,796.60 | |||
21 80 2 | 4.680 338 | ROBU Filter Funnel 8000 ml Porosity 2, 205 mm Ø, Arm 40 mm Ø | 8000 ml | Boro 3.3 | 20,796.60 | |||
21 80 4 | 6.235 774 | ROBU Filter Funnel 8000 ml Porosity 4, 210 mm Ø, Arm 40 mm Ø | 8000 ml | Boro 3.3 | 23,959.10 | |||
21 80 3 | 6.260 711 | ROBU Filter Funnel 8000 ml Porosity 3, 210 mm Ø, Arm 40 mm Ø | 8000 ml | Boro 3.3 | 20,796.60 | |||
21 50 F | 6.275 283 | ROBU Filter Funnels 50 ml Porosity F, 36 mm Ø, 10 mm Stem Ø | 50 ml | Boro 3.3 | 1,619.20 |
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