Cheap And Discounts For SOOCAS X3 Series Replacement ToothBrush Head Refill for Sonic Electric Brush Heads V1/X3/X5/X3U/X3P Wholesale. Buy Directly From Merchant Sonny Care Global Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.