Its general compatibility with major faucet brands and three component composite design (copper cores, alloy fittings, reinforced washers) delivers lasting for shower adapter replacements and plumbing upgrades Engineered as a stable RP75137 replacement, this shower adapter extension set seamlessly integrates with 3 / 6 setting diverter cartridges, crafted from erosion resistant brass and alloy for enhanced durability in bathtub and shower faucet systems The accuracy machined brass construction ensures wear resistance and leak proof, while its adjustable length accommodates set adapter installations behind bathroom wall Ideal for homeowners, enthusiasts, and plumbing professional seeking to resolve low water pressure issues caused by improperly positioned diverter adapter in residential bathrooms Perfect for bathroom renovations or routine maintenance where standard adapter stems prove insufficient, this set restores optimal water flows in tub shower combinations and single handle faucet configurations, Manufacturer: RGYBAO