Compatible：for Intex 638 c1000 401M 637R Pure Spa Hot SSP-H-20-M & SB-20MTub Water Pump Impeller ​Includes ：1 x Replacement Impeller with Stainless Steel Shaft Characteristic ：High quality wear-resistant non-magnetic stainless steel shaft High quality rotor to improve product service life Please note： that this product is a compatible accessory that can replace the original factory Explanatory note ：But the length of the impeller is not as long as the original factory's. We have optimized the design, but the water flow rate is basically the same

Compatible：for Intex 401M 637R Pure Spa Hot SSP-H-20-M & SB-20MTub Water Pump Impeller

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​Includes ：1 x Replacement  Impeller with Stainless Steel Shaft

Characteristic ：High quality wear-resistant non-magnetic stainless steel shaft High quality rotor to improve product service life

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Please note： that this product is a compatible accessory that can replace the original factory

Explanatory note ：But the length of the impeller is not as long as the original factory's. We have optimized the design, but the water flow rate is basically the same