Box suggests this is for the hot tap only (both of the ones I have!). Photo shows actual part for sale.
Sottini Reprise White Seat with CP hinges (top-fixing) E5630 ORIGINAL
1-In-2-Out Dual Control Valve, Bidet Sprayer Kit | German SUS304 Stainless Steel Craft | Toilet G1/2 Double-Control Faucet Sprayer for Feminine Hygiene, Pet Bathing, Cloth Washing(grey)
XXL Yellow Ceramic Bathroom Vessel Sink with Dual-Control Hot & Cold Faucet Stylish Vanity Lavatory Art Wash Basin for Modern Bathrooms
Yellow Ceramic Bathroom Vessel Sink with Dual-Control Hot & Cold Faucet – Small Vanity Lavatory Art Wash Basin for Modern Bathrooms
LALADEFIEE Toilet Tank Push Button Oval Dual Control Flush Chrome-Plated Replacement Compatible with Bathroom Environments Including Hotels and Homes Random Color
MI CASA Handheld Bidet Sprayer for Toilet, Stainless Steel Bidet Sprayer Kit with 1-in-2-out Dual Control Valve Faucet and Hose or Feminine Wash, Baby Diaper Cloth Washer and Washing Pets, Silver
