| 1 | Supplier 01 | PP melt-blown cartridges; 10-inch and 20-inch sizes | 1, 5, 10, 20, 50 micron | Polypropylene; optional PP core and end caps | 2–12 L/min per cartridge | ISO 9001 production system; batch inspection reports; material declarations | US$0.35–2.20 per piece | 1,000 pieces | OEM packaging, private labeling, export cartons, commercial invoices, packing lists | 15–25 days |
| 2 | Supplier 02 | PP spun-bond cartridges for residential and light commercial systems | 1–100 micron | Thermally bonded polypropylene; no adhesive or binder | 3–15 L/min per cartridge | ISO 9001; incoming-material inspection; dimensional and pressure testing | US$0.28–1.85 per piece | 2,000 pieces | Mixed-size orders, barcode labels, palletization, sea and air freight coordination | 12–22 days |
| 3 | Supplier 03 | Pleated polyester sediment cartridges with washable options | 1, 5, 10, 20, 50 micron | Pleated polyester; PP or stainless-steel support core | 8–35 L/min per cartridge | ISO 9001; filter-area and flow-test records; RoHS declarations when specified | US$1.20–8.50 per piece | 500 pieces | Custom dimensions, reusable packaging, sample approval, export documentation | 20–30 days |
| 4 | Supplier 04 | String-wound cartridges for high dirt-loading applications | 1, 5, 10, 25, 50 micron | Polypropylene, cotton, or polyester yarn; PP core | 5–25 L/min per cartridge | ISO 9001; yarn and core traceability; pressure-drop test results | US$0.60–4.80 per piece | 1,000 pieces | OEM labels, multilingual cartons, container loading plans, third-party inspection support | 18–28 days |
| 5 | Supplier 05 | High-capacity pleated cartridges for municipal and industrial prefiltration | 1–100 micron | Polyester or polypropylene media; PP, ABS, or stainless-steel components | 20–120 L/min per cartridge | ISO 9001; pressure and flow testing; technical data sheets; batch certificates | US$8.00–45.00 per piece | 100 pieces | Project quotations, engineering drawings, export packing, container consolidation | 25–40 days |
| 6 | Supplier 06 | PP melt-blown cartridges with graded-density construction | 5, 10, 20, 30, 50 micron | Multi-layer polypropylene; optional carbon-free sediment configuration | 3–18 L/min per cartridge | ISO 9001; lot coding; visual inspection; pressure-drop and leakage checks | US$0.45–2.60 per piece | 1,500 pieces | Trial orders, artwork confirmation, carton customization, standard export terms | 15–25 days |
| 7 | Supplier 07 | Large-diameter cartridges for commercial water treatment equipment | 1, 5, 10, 20, 50 micron | Pleated PP or polyester; reinforced PP core and end caps | 30–180 L/min per cartridge | ISO 9001; dimensional inspection; flow-rate and integrity test records | US$12.00–70.00 per piece | 100 pieces | Technical consultation, drawing confirmation, seaworthy packing, freight coordination | 30–45 days |
| 8 | Supplier 08 | Compact cartridges for point-of-use and under-sink filtration systems | 1, 5, 10, 20 micron | PP melt-blown or pleated polyester; food-contact options available by specification | 1–8 L/min per cartridge | ISO 9001; material declarations; optional NSF/ANSI 42 testing through qualified laboratories | US$0.40–3.20 per piece | 2,000 pieces | Retail-ready packaging, multilingual instructions, barcode printing, sample dispatch | 20–35 days |
| 9 | Supplier 09 | Industrial string-wound and melt-blown cartridges for process water | 1–200 micron | PP, cotton, or polyester media; PP, stainless-steel, or galvanized cores | 10–80 L/min per cartridge | ISO 9001; material traceability; pressure-drop data; pre-shipment inspection | US$1.50–18.00 per piece | 300 pieces | Industrial quotations, customized cores, export compliance documents, inspection coordination | 25–40 days |
| 10 | Supplier 10 | Custom sediment cartridges for OEM water-treatment assemblies | 0.5–100 micron | PP, polyester, nylon, or stainless-steel media according to application | 2–100 L/min per cartridge | ISO 9001; product drawings; material and batch records; optional RoHS and REACH declarations | US$1.00–35.00 per piece | 200 pieces | Prototype development, OEM tooling review, sample approval, international shipping support | 30–50 days |