{"product_id":"darlly-spa-pool-replacement-filter-cartridge-40508u-pww50l-replaces-817-4050-2-inch-bottom-sae-thread","title":"Darlly Spa Pool Replacement Filter Cartridge 40508U PWW50L Replaces 817-4050 2 Inch Bottom SAE Thread","description":"\u003cdiv\u003e\n\u003cp\u003eKeep spa and pool water crystal clear with the Darlly Spa\/Pool Replacement Filter Cartridge, model 40508U \/ PWW50L. Engineered for reliable performance, this cartridge fits a wide range of filtration systems and delivers dependable, high-capacity filtration for everyday use and after-heavy-use weekends alike.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey compatibility and fit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReplaces OEM numbers:\u003c\/strong\u003e 13079, 817-4050, 817-4050-IW, APCC7644, PLE-051-9192, PWW50L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Spa and pool filtration systems, including installations labelled Rising Dragon and Waterway Bottom-style assemblies\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Diameter 4-15\/16\", Length 13-1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom\/Top design:\u003c\/strong\u003e Bottom style with SAE female thread; Top style with a convenient handle for easy removal\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMedia and filtration area:\u003c\/strong\u003e 3 oz filtration media, delivering a 50 sq ft filtering surface (TeleWeir design)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Darlly cartridge stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient TeleWeir design\u003c\/strong\u003e maximizes surface area and smooth flow, helping capture fine debris while maintaining steady water flow.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity filtration\u003c\/strong\u003e with 50 sq ft of media to help keep spa and pool water clearer for longer between cleanings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable compatibility\u003c\/strong\u003e with a broad set of replacement numbers ensures you can source a trusted cartridge without guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e designed to withstand regular spa and pool use, delivering consistent filtration performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReduces cloudiness by trapping small particulates before they circulate back into the water.\u003c\/li\u003e \u003cli\u003eProtects your pump and heater by preventing debris buildup in the filtration housing.\u003c\/li\u003e \u003cli\u003eProvides straightforward installation with a top handle for quick replacements and minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBest-use scenarios\u003c\/h3\u003e\n\u003cp\u003eIdeal for homeowners who maintain spas, hot tubs, or small-to-mid-size pools that require a 4-15\/16\" diameter cartridge. The 13-1\/2\" length and compatible bottom\/top configurations fit many standard housings, making this a versatile choice for seasonal maintenance or regular upkeep.\u003c\/p\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower off the system before removing the existing cartridge. Remove the old cartridge and rinse the new one under clean water to remove any packaging residue.\u003c\/li\u003e \u003cli\u003eInstall with the handle on top for easy future removal. Ensure the bottom SAE threads engage properly for a secure seal.\u003c\/li\u003e \u003cli\u003eRinse the cartridge periodically between replacements to remove surface debris and maintain optimal flow.\u003c\/li\u003e \u003cli\u003eReplace when you notice diminished flow or after extended use; using the correct replacement helps preserve water clarity and equipment efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Darlly 40508U \/ PWW50L replacement cartridge for a dependable, high-capacity filtration solution that aligns with your spa or pool’s needs, keeps water clear, and makes maintenance straightforward.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"margintop4\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003eRising Dragon, Waterway\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003eBottom Physical Dimension\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003e2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eBottom Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003eFemale SAE Thread\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eDiameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003e4-15\/16\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eLength\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e13-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeName\"\u003eMedia Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeValue\"\u003e3oz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeName\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeValue\"\u003eTeleweir 50 sq ft filter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl7_labelAttributeName\"\u003eSquare Footage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl7_labelAttributeValue\"\u003e50 sq ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl8_labelAttributeName\"\u003eTop Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl8_labelAttributeValue\"\u003eHandle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Darlly","offers":[{"title":"Default Title","offer_id":41944649236522,"sku":null,"price":44.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/files\/40508U.jpg?v=1769976174","url":"https:\/\/bathparts.com\/en-um\/products\/darlly-spa-pool-replacement-filter-cartridge-40508u-pww50l-replaces-817-4050-2-inch-bottom-sae-thread","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}