{"title":"LH Series Parts \u0026 Accessories","description":"\u003cp\u003eKeep your LH Series Spa performing at its best. Explore our complete collection of genuine LH Series parts and accessories, including replacement filters, water care products, jets, pumps, and factory-authorized components designed specifically for your model.\u003c\/p\u003e","products":[{"product_id":"master-clear-ma40","title":"Master Clear® MA40 Filter - 2\" FPT","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe MA40 is the current-generation companion filter for a wide range of MasterSpas hot tubs and swim spas. Built with a 2-inch female pipe thread connection, it works alongside the MA-R4 primary filter to provide complete filtration coverage for your spa. Unlike the MA-R4, the MA40 does not house an EcoPur® Charge Mineral Cartridge — it is a dedicated mechanical filtration filter.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis is the current-generation replacement for the PMA40L filter.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCompatible Models — Current Generation (2025+)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eTwilight Series:\u003c\/em\u003e TS 6.2, TS 67.25, TS 7.2, TS 7.25, TS 8.2, TS 8.25\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eMichael Phelps Legend Series:\u003c\/em\u003e MPL 30, MPL 700, MPL 800, MPL 850, MPL 900\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eH2X Swim Spas:\u003c\/em\u003e Therapool SE, Therapool D, Trainer 12, Trainer 15, Trainer 15D, Trainer 19D Max, Trainer 21D, Challenger 15D, Challenger 19D MAX, Challenger 21D\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eAlso Replaces the PMA40L on Older Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eTwilight Series:\u003c\/em\u003e TS 6.1, TS 67.15, TS 8.3, TS 8.35, TS 87.3, TS FIT, TS MP\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eLiving Healthy Series:\u003c\/em\u003e LH 6, LH 7\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eImportant Note for Pre-2025 Spas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eMost MasterSpas hot tubs and swim spas manufactured before 2025 used a female port that accepted a male-threaded filter. Beginning in 2025, that relationship flipped — the MA40 has a female thread designed for the new male port configuration. If your spa was manufactured before 2025, you may need a thread adapter for compatibility. If you know you need one, it is available for purchase separately on our site. If you are unsure, contact us before ordering and we will confirm the right fit for your specific model and year.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eReplacement Schedule\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eReplace every 12 months under normal use, or every 6 months with heavier use.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eDue to the nature of filtration products, we cannot accept returns on opened or incorrectly ordered items. Please verify your model and production year before purchasing.\u003c\/em\u003e\u003c\/p\u003e","brand":"Master Spas","offers":[{"title":"Default Title","offer_id":45344531349641,"sku":null,"price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6491\/7641\/files\/MA40_TOP.jpg?v=1772557969"},{"product_id":"master-clear-mar4-2-fpt-filter","title":"Master Clear® MA-R4 Filter - 2\" FPT","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe MA-R4 is the current-generation primary filter for a wide range of MasterSpas hot tubs and swim spas. Built with a 2-inch female pipe thread connection, it seats securely into your spa's filtration housing and is designed to accept the EcoPur® Charge Mineral Cartridge inside — giving your water both mechanical filtration and mineral purification in a single unit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis is the correct filter for 2025 and newer models in the series listed below. If your spa was manufactured before 2025, use the compatibility list to confirm — many of these models transitioned to the R4 from the MAR1 in recent years.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCompatible Models (2025–Current)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eTwilight Series:\u003c\/em\u003e TS 6.2, TS 67.25, TS 7.2, TS 7.25, TS 8.2, TS 8.25\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eMichael Phelps Legend Series:\u003c\/em\u003e MPL 30, MPL 700, MPL 800, MPL 850, MPL 900\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eH2X Swim Spas:\u003c\/em\u003e Therapool SE, Therapool D, Trainer 12, Trainer 15, Trainer 15D, Trainer 21D, Challenger 15D, Challenger 21D, Trainer 19D Max, Challenger 19D MAX\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eLiving Healthy Series:\u003c\/em\u003e LH L5, LH L6, LH S6, LH L7, LH S7\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eAlso Replaces the MAR1 Filter on Older Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe MA-R4 is the current-generation replacement for the MAR1 filter. If your spa is from the list below and was manufactured before 2025, this is your filter.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eTwilight Series:\u003c\/em\u003e TS 6.1, TS 67.15, TS 7.1, TS 7.15, TS 8.3, TS 8.35, TS 87.3, TS FIT, TS MP\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eDown East Series:\u003c\/em\u003e Cape Cod, Exeter, Portsmouth, Somerset, Windsor, Windsor STS\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eLegacy Series:\u003c\/em\u003e LW 730L, LW Acclaim, LW Enterprise, LW Enterprise SE, LW Envision, LW Inspire, LW Inspire SE, LW Intrepid\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eLegend Series:\u003c\/em\u003e LSX, LSX 557, LSX 700, LSX 800, LSX 800 STS, LSX 850, LSX 850 STS, LSX 1000, LSX 1000 STS, LSX 1050, LSX 1050 STS\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eImportant Note for Pre-2025 Spas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eMost MasterSpas hot tubs and swim spas manufactured before 2025 used a female port that accepted a male-threaded filter. Beginning in 2025, that relationship flipped — this MA-R4 has a female thread and is designed for the new male port configuration. If your spa was manufactured before 2025, you may need a thread adapter for compatibility. If you know you need one, it is available for purchase separately on our site. If you are unsure, contact us before ordering and we will confirm the right fit for your specific model and year.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eReplacement Schedule\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eReplace every 12 months under normal use, or every 6 months with heavier use. If you use the EcoPur® Charge Cartridge, replace it every 6 months.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eDue to the nature of filtration products, we cannot accept returns on opened or incorrectly ordered items. Please verify your model and production year before purchasing.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Master Spas","offers":[{"title":"Default Title","offer_id":45344531611785,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6491\/7641\/files\/MAR4.jpg?v=1780076421"},{"product_id":"master-clear-ecopur","title":"Master Clear EcoPur","description":"\u003cp data-start=\"152\" data-end=\"465\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 9.0pt; font-family: 'Courier New'; mso-fareast-font-family: 'Courier New'; color: #000c29; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eseries-instinct\u003c\/span\u003e\u003c\/b\u003eThe EcoPur® mineral cartridge is a key part of the Master Spas® filtration system. Designed to work alongside your primary spa filter (MA-R1, MA-R3, MA-R4, or MA-R5), EcoPur® uses a blend of natural minerals to help reduce chemical use, improve water clarity, and create a softer, more enjoyable spa experience.\u003c\/p\u003e\n\u003ch4 data-start=\"839\" data-end=\"855\"\u003e✨ \u003cstrong data-start=\"841\" data-end=\"853\"\u003eBenefits\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"839\" data-end=\"855\"\u003eHelps keep water clear and fresh\u003c\/li\u003e\n\u003cli data-start=\"895\" data-end=\"946\"\u003eReduces the need for chlorine and other chemicals\u003c\/li\u003e\n\u003cli data-start=\"949\" data-end=\"992\"\u003eFights bacteria, algae, and scale buildup\u003c\/li\u003e\n\u003cli data-start=\"995\" data-end=\"1033\"\u003eProtects spa plumbing and components\u003c\/li\u003e\n\u003cli data-start=\"1036\" data-end=\"1080\"\u003eSofter, more comfortable water for soaking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong data-start=\"469\" data-end=\"487\"\u003eCompatibility:\u003c\/strong\u003e Works in combination with our MA-R1, MA-R3, MA-R4, and MA-R5 filters (not compatible with MA40 or PWW50).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"594\" data-end=\"620\"\u003eReplacement Frequency:\u003c\/strong\u003e Every 6 months for optimal performance.\u003c\/p\u003e\n\u003cp data-start=\"664\" data-end=\"844\"\u003e⚠️ \u003cstrong data-start=\"667\" data-end=\"676\"\u003eNote:\u003c\/strong\u003e EcoPur® cartridges are typically sold separately from our filters. However, some filter kits and bundles may include both the main filter and EcoPur® cartridge for added convenience.\u003c\/p\u003e","brand":"Master Spas","offers":[{"title":"Default Title","offer_id":45344532201609,"sku":null,"price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6491\/7641\/files\/Ecopur.jpg?v=1780076169"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6491\/7641\/collections\/lh-collection-logo.jpg?v=1779812972","url":"https:\/\/shop.masterspaswest.com\/collections\/series-lh.oembed","provider":"MasterSpas West","version":"1.0","type":"link"}