{"product_id":"darlly-spa-and-pool-replacement-filter-cartridge-10100-100-sq-ft-compatible-with-airwick-heldor-vak-pak-dyna-pure","title":"Darlly Spa And Pool Replacement Filter Cartridge 10100 100 Sq Ft Compatible With Airwick Heldor Vak Pak Dyna Pure","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Darlly Spa\/Pool Replacement Filter Cartridge [10100] (C-9999) — a 100 sq ft filtration workhorse engineered to elevate spa and pool water clarity. Built to fit a range of filter housings, this open-top, open-bottom cartridge is designed to deliver steady flow, thorough filtration, and easy maintenance, so you can enjoy pristine water with less hassle.\u003c\/p\u003e \u003ch2\u003eWhy this cartridge stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenerous 100 sq ft filtration area\u003c\/strong\u003e for extended run times between cleanings and improved contaminant capture, helping you maintain sparkling water with less frequent cartridge changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOpen top and open bottom design\u003c\/strong\u003e promotes higher flow and easier backwashing, reducing pressure drop and boosting overall system efficiency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise dimensions for universal compatibility\u003c\/strong\u003e: 10-1\/6\" diameter, 19-5\/8\" length, with a 3\/8\" top opening and a 6\" bottom opening. This combination makes it a reliable drop-in replacement for many spa and pool filter models.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eC-9999 model versatility\u003c\/strong\u003e and \u003cstrong\u003eAirwick, Heldor, Vak-Pak, Dyna-Pure compatibility\u003c\/strong\u003e mean fewer mismatches and more confident shopping for your existing setup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOpal bottom style\u003c\/strong\u003e combined with an open top design delivers efficient dirt interception while maintaining strong flow across the cartridge surface.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePerfect for a range of users and setups\u003c\/h2\u003e\n\u003cp\u003eWhether you’re maintaining a backyard spa, a hot tub, or a small-to-medium pool, this cartridge is built to handle the demands of regular use. It’s especially well-suited for systems that rely on standard 10-1\/6\" diameter housings and require a reliable, long-lasting replacement that won’t clog quickly under typical spa and pool debris.\u003c\/p\u003e \u003ch2\u003ePractical use cases and tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRoutine replacement schedule:\u003c\/strong\u003e plan to replace every 6–12 weeks during peak use, or sooner if you notice decreased flow or water clarity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBackwash-aware maintenance:\u003c\/strong\u003e when backwashing, keep an eye on flow resistance; a noticeable drop often indicates it’s time for a new cartridge.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProlong cartridge life:\u003c\/strong\u003e rinse off loose debris after each use and store spare cartridges in a dry, cool place to preserve filter integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWater clarity goals:\u003c\/strong\u003e pair with proper sanitizer levels and regular skimming to maximize the cartridge’s effectiveness in capturing oils, dirt, and organic contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat’s included and compatibility notes\u003c\/h2\u003e\n\u003cp\u003eThe Darlly 10100 is a dedicated replacement cartridge designed to fit a variety of spa and pool filtration systems. It’s listed as compatible with brands and configurations such as Airwick, Heldor, Vak-Pak, and Dyna-Pure, with an Opal bottom style and an open-top\/bottom construction that supports efficient filtration and easy handling during maintenance. Always verify your current filter housing’s dimensions match the 10-1\/6\" diameter and 19-5\/8\" length to ensure a seamless fit.\u003c\/p\u003e \u003ch2\u003eDurable, dependable filtration you can trust\u003c\/h2\u003e\n\u003cp\u003eInvest in a replacement that’s built to perform under regular spa and pool use. The Darlly Spa\/Pool Replacement Filter Cartridge [10100] delivers robust filtration capacity, convenient maintenance, and broad compatibility, so you can keep water inviting and ready for relaxation—without the guesswork.\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\"\u003eAirwick, Heldor, Vak-Pak, Dyna-Pure\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003eBottom Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003eOpal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eSquare Footage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003e100 sq ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eTop Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eDiameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e10-1\/6\"\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\"\u003e19-5\/8\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eTop\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e3\/8” Open\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eBottom\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e6” Open\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":43084594413610,"sku":"10100","price":57.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/files\/10100.jpg?v=1769976157","url":"https:\/\/bathparts.com\/products\/darlly-spa-and-pool-replacement-filter-cartridge-10100-100-sq-ft-compatible-with-airwick-heldor-vak-pak-dyna-pure","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}