The archive contains the following models of mixers:
Perrin and Rowe Georgian Era Bridge Faucet Lever Handles
Perrin and Rowe Georgian Era Single Lever Single Hole Bar & Food Prep Faucet
Perrin and Rowe Wall Mount Swing Arm Pot Filler
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– under Turbosmooth the modifier is enabled (display in the viewport – 0 iterations 1-2 iterations on the render)
– the model is made in six color options
– the elements of the 2-lever mixer are linked do not forget to switch to Local mode to rotate them
– Turbosmooth is disabled in the OBJ file
– archived 2016 MAX (Corona 6 + VRay 5)+ OBJ + MTL
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Even more plumbing in my collections: https://3dsky.org/collection/shared/5249486 
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Perrin and Rowe Georgian Era Bridge Faucet Lever Handles: https://houseofrohl.com/georgian-era-bridge-kitchen-faucet-with-sidespray-satin-english-gold-with-metal-lever-handle-u-4719l-seg-2/ 
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Perrin and Rowe Georgian Era Single Lever Single Hole Bar & Food Prep Faucet: https://houseofrohl.com/georgian-era-single-lever-single-hole-bar-and-food-prep-faucet-unlacquered-brass-with-metal-lever-handle-u-4700ulb-2/ 
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Perrin and Rowe Wall Mount Swing Arm Pot Filler: https://houseofrohl.com/wall-mount-swing-arm-pot-filler-unlacquered-brass-with-metal-lever-handle-u-4799ls-ulb-2/