Labor Day Buy More, Save More promotion and Free US (Domestic) Shipping offer valid September 1, 2017 at 10:00am CDT to September 4, 2017 at 11:59pm CDT. Offers valid online only. Must use code LABOR20, LABOR25 or LABOR30 to receive offer. Must select Standard Ground Shipping at checkout to receive free shipping; offer not valid on alternate shipping methods. Offer not valid with additional offers or coupon codes. Offer not valid with Partner discounts. All payments are subject to verification. Sigma reserves the right to delay shipment, cancel any order or promotion for any reason, without notice. Subject to in-stock levels, no substitutions or rain checks.
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