Please note: There may be slight color differences or variations in the actual product, but this does not affect its use. Please do not mind this. Thank you! Split nut which includes split nut for split nut and Screws Spa Heater Split Nut Union Fitting for 2-inch heater assemblies. The 2inch union is used for emergency pump union repairs in and is a direct replacement for spa pump split nut fittings with screws. The 2inch black union part is easy to install and seals leaks in your perfectly, saving you valuable time. Bathtub heater split-nut fittings are compatible with 2-inch pump unions for , for Spa Builders, for Gecko, for , for HydroQuip, Correctech, Spanet, not for and for LX heater series. Color: As Shown Material: plastic Package Contents: 2 X split nut fittings 2 X washers 4 X screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.