Continue shopping “Hayward Filter SP0410X502S SP0410X602S Backwash Slide Valve Black Nut SPX0722D” has been added to your cart. Product Price Quantity Total × Max-Flo II Hayward Pump Union Connector SPX2700UNKIT $56.99 Max-Flo II Hayward Pump Union Connector SPX2700UNKIT quantity $56.99 × Hayward Filter SP0410X502S SP0410X602S Backwash Slide Valve Black Nut SPX0722D $6.49 Hayward Filter SP0410X502S SP0410X602S Backwash Slide Valve Black Nut SPX0722D quantity $6.49 Cart totals Subtotal $63.48 Total $63.48 Proceed to checkout — OR — Coupon: