--- product_id: 143003368 title: "12.5 cm Quadrant-Folded Filter Paper, Pre-Folded disks, Qualitative Grade 1 - ZENPORE Medium Flow 125 mm (50 Discs)" brand: "zenpore" price: "₱1605" currency: PHP in_stock: true url: https://www.desertcart.ph/products/143003368-12-5-cm-quadrant-folded-filter-paper-pre-folded-disks store_origin: PH region: Philippines --- # 30-35 sec medium flow rate 125 mm diameter precision 10-15 μm medium particle retention 12.5 cm Quadrant-Folded Filter Paper, Pre-Folded disks, Qualitative Grade 1 - ZENPORE Medium Flow 125 mm (50 Discs) **Brand:** zenpore **Price:** ₱1605 **Availability:** ✅ In Stock ## Summary > 🧬 Elevate your lab game with precision and speed—filter like a pro! ## Quick Answers - **What is this?** 12.5 cm Quadrant-Folded Filter Paper, Pre-Folded disks, Qualitative Grade 1 - ZENPORE Medium Flow 125 mm (50 Discs) by zenpore - **How much does it cost?** ₱1605 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/143003368-12-5-cm-quadrant-folded-filter-paper-pre-folded-disks) ## 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 50 Discs:** Stay stocked and ready for repetitive filtration tasks without interruption. - • **Trusted Grade 1 Quality:** Equivalent to Whatman Grade 1 FF, ensuring reliable qualitative filtration every time. - • **Ready-to-Use Pre-Folded Design:** Skip the hassle—filters come quadrant-folded and lab-ready, saving you valuable prep time. - • **Optimized Medium Flow & Retention:** Balances speed and precision by filtering particles sized 10-15 microns in just 30-35 seconds. - • **Versatile Lab & Field Applications:** Perfect for food, beverage, environmental, agricultural, and educational uses—be part of the cutting-edge science community. ## Overview This pack of 50 pre-folded 125 mm quadrant filter papers offers medium flow and retention (10-15 μm), equivalent to Whatman Grade 1 FF. Made from high alpha-cellulose cotton, these filters are ideal for qualitative lab separations, food and beverage analysis, environmental monitoring, and educational chromatography. Designed for gravity filtration, they save prep time and deliver consistent, reliable results. ## Description GRADE 1 Q QUADRANT Qualitative Filter PaperEquivalent to Whatman grade 1 FF, this pre-folded filter paper is commonly used in labs where 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 qualitative analytical separations and liquid clarification in labsfood : Solid foodstuffs separation and liquid extraction, fat content determinationbeverage : Analysis and filtration of dense liquids like fruit pulps, musts, syrups, oil or plant extractsagriculture : Soil analysis and seed testingenvironment : Medium particles collection for pollution monitoring (stain intensity)education : Basic qualitative separations teaching and paper chromatographyMEDIUM RETENTIONRetains medium-fine crystalline precipitates like:Sulfates (Pb, coarse form of Ba and Ca)Carbonates (Ba, Ca)Phosphates (Al, Pb, Struvite)Chromates (Fe, As, Pb)Ca Oxalate (hot), Pb Oxidepaper : pure cotton celluloseflow : mediumretention : 10~15 μm (medium)speed : 30~35 s (10ml DIN 53137)size : ⌀ 125 mmthickness : 150 μmweight : 86 g/m²ash : 0.1%qty : 50 discsPRE-FOLDEDThese Quadrant Folded Filters saves folding time when filtration is done repetitively.Use our pleating equivalent ST001-125v for even faster filtration.Suitable for gravity filtration in standard funnels, not vacuum.EQUIVALENCE & SIZESee the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles. ## Features - GRADE 1 Q : 12.5cm - Equivalent to Whatman qualitative grade 1 FF, quadrant folded filter paper (125mm) - PREFOLDED - No more folding! These pre-folded Quadrant filters are ready for the funnel - LAB FILTER - Routinely used in lab to determine fat content, extract solids and clarify liquids - CHEMISTRY CLASS - Filter paper can teach basic qualitative separations and paper chromatography - MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron) ## Images ![12.5 cm Quadrant-Folded Filter Paper, Pre-Folded disks, Qualitative Grade 1 - ZENPORE Medium Flow 125 mm (50 Discs) - Image 1](https://m.media-amazon.com/images/I/71yBiQIDVzL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.ph/products/143003368-12-5-cm-quadrant-folded-filter-paper-pre-folded-disks](https://www.desertcart.ph/products/143003368-12-5-cm-quadrant-folded-filter-paper-pre-folded-disks) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-06-09*