Mixed PVC male threaded and glued coupling sleeve manufactured by Hidroten (UP. 21. SFMT). Accessory for 3-piece couplings. Available in sizes from Ø 1/2"" to Ø 2 1/2"". For pipes according to BS 3505/6
https://www.piscinayspa.com/en/pool-accessories/156/pvc-accessories/11032/fitting-encolar-enlace-3-p-bs/FS11032Racord encolar enlace 3 p. "BS"https://www.piscinayspa.com/fotos/productos/raccord-encolar-enlace-3-p-bs-2.jpg0.970.97InStockHidrotenSwimming Pool Accessories/PVC Accessories/Hidroten5