Check the listing for details. BBO Alignment Mount for ESI UV Solid State Laser P/N 144866 - Free Shipment. Condition: Used. Listed at 69.00 USD. This is an OEM spare/surplus BBO alignment mount for ESI Solid State Lasers. It was not removed from any optical assembly but was most likely used during it's lifetime. Mount assembly includes mechanical crystal receptacle and active temperature control unit. ESI P/N: 144866 NOTE: a BBO crystal is NOT included with the module. Payment: Paypal Only Shipment: Shipment will be completed within 1 business day once full payment is confirmed. Shipping is included for US domestic customers. USPS First Class or Priority service is typically used for this item. We also accept worldwide shipments, but customers outside the US should contact us prior to complete payment so we can provide you with the most reasonable fare. A phone number will be required for us to complete international shipment documentation. We can also use a customer's UPS, FEDEX or DHL account upon request. Local Pickup comes at no charge. Return/Warranty: We offer 30 day return on this item to cover for shipment damage. No additional warranty is offered. Item is sold "As Is". Please feel free to contact us if you need clarifications.