--- product_id: 687808720 title: "24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs)" brand: "zenpore" price: "S$147" currency: SGD in_stock: true reviews_count: 5 category: "Ze Npore" url: https://www.desertcart.sg/products/687808720-24-cm-lab-filter-paper-standard-qualitative-grade-4-fast store_origin: SG region: Singapore --- # Fast flow rate 15-20s/10ml 24 cm diameter precision Coarse retention 20-25 μm 24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) **Brand:** zenpore **Price:** S$147 **Availability:** ✅ In Stock ## Summary > ⚡ Filter fast, filter smart — never miss a particle! ## Quick Answers - **What is this?** 24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) by zenpore - **How much does it cost?** S$147 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/687808720-24-cm-lab-filter-paper-standard-qualitative-grade-4-fast) ## Best For - zenpore enthusiasts ## Why This Product - Trusted zenpore brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack of 100 Discs:** Cost-effective supply for continuous lab operations and high-volume needs - • **Rapid Filtration Speed:** Fast flow rate ensures efficient sample processing without delays - • **Precision 24 cm Diameter:** Perfectly sized discs for consistent filtration performance - • **Versatile Lab & Industry Use:** Ideal for biological, environmental, metallurgy, and beverage filtration - • **Robust Coarse Particle Retention:** Captures gelatinous precipitates and coarse particulates with ease ## Overview This 24 cm diameter Grade 4 lab filter paper offers fast flow filtration with coarse retention of 20-25 microns, ideal for quick separation of solids from liquids in diverse applications including biological sample cleanup, wine must filtration, and environmental air monitoring. Made from high alpha-cellulose cotton, it delivers reliable performance in a bulk pack of 100 discs, ensuring efficiency and consistency for professional labs and industrial use. ## Description GRADE 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 4, this very fast laboratory filter paper is used for coarse filtration when you need to separate a solid or precipitate from the filtrate.Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing.APPLICATIONSscience : Routine clean-up of insoluble liquids such as biological fluids or organic extracts in labsfood : Determination Sodium Chloride in foodstuffsbeverage : Filtration of musts in winemetalurgy : Determination of silicon impurities in pig iron and steelenvironment : Fast flowing air and exhausts monitoring when the collection of fine particles is not critical.COARSE RETENTIONRetains coarse particles and gelatinous precipitates like:Metal hydroxides (Al, Cr, Fe, Mg) , Be OxideInsoluble iron and ore, precipitated SilicatesCulture media, and colloidal sedimentspaper : pure cotton celluloseflow : fastretention : 20~25 μm (coarse)speed : 15~20 s (10ml DIN 53137)size : ⌀ 240 mmthickness : 140 μmweight : 86 g/m²ash : 0.1%qty : 100 discsPLAIN-DISCSThese Flat Discs are suitable for gravity and Buchner low suction vacuum filtration.The same affordable filters are also available funnel-ready as ST004-240q (folding) or ST004-240v (pleating).EQUIVALENCE & SIZESee the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles. Review: Fine . Good filtration. As expected. All good. Review: Objeto recibido acorde a lo solicitado ## Features - GRADE 4 : 24cm - Equivalent to Whatman qualitative grade 4, standard lab filter paper (240mm) - FAST PRE-FILTER - Quickly clean-up biological samples and organic extracts, routine clarification - WINE MAKING - Filtration of musts - HIGH AIR FLOW COLLECTION - Collect large particulate in fast moving air or fumes - COARSE RETENTION / FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07MHK3BQ5 | | ASIN | B07MHK3BQ5 | | Batteries Included? | No | | Batteries Required? | No | | Customer Reviews | 4.5 4.5 out of 5 stars (214) | | Customer reviews | 4.5 4.5 out of 5 stars (214) | | Cutting Diameter | 240 Millimeters | | Date First Available | 21 April 2021 | | Date First Available | 21 April 2021 | | Item Weight | 440 g | | Item diameter | 240 Millimeters | | Item model number | ST004-240 | | Item model number | ST004-240 | | Manufacturer | Fluted Filter | | Manufacturer | Fluted Filter | | Material | Paper | | Part number | ST004-240 | | Product Dimensions | 24.3 x 24.3 x 2 cm; 440 g | | Size | 24 cm diameter | ## Images ![24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) - Image 1](https://m.media-amazon.com/images/I/71V1c8qBkZL.jpg) ![24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) - Image 2](https://m.media-amazon.com/images/I/81kGAjMJ5uL.jpg) ![24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) - Image 3](https://m.media-amazon.com/images/I/81xROD+EefL.jpg) ![24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) - Image 4](https://m.media-amazon.com/images/I/71zST0pKpjS.jpg) ![24 cm Lab Filter Paper, Standard Qualitative Grade 4 - Fast Flow 240 mm (100 Discs) - Image 5](https://m.media-amazon.com/images/I/71cHutuLO1L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***S on 16 September 2025* Fine . Good filtration. As expected. All good. ### ⭐⭐⭐⭐⭐ Review *by J***A on 6 January 2026* Objeto recibido acorde a lo solicitado ### ⭐⭐⭐⭐⭐ Review *by C***E on 10 November 2025* Buoni per filtrazione veloci in laboratorio --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/687808720-24-cm-lab-filter-paper-standard-qualitative-grade-4-fast](https://www.desertcart.sg/products/687808720-24-cm-lab-filter-paper-standard-qualitative-grade-4-fast) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-05-07*