We regret to inform you that we are rejecting and returning the <? echo $PRODUCTS; ?> that arrived on [date]. We paid for the order with our cheque no. [xxx], a photocopy of which is enclosed.
Our usual order is for [BRAND] [Model]. When we decided to switch to [PRODUCTS], it was at the recommendation of your sales representative, [NAME]. [He / She] assured us that the [PRODUCTS] were just as [good / durable / efficient] but at a fraction of the price of the other model.
[DESCRIBE THE SPECIFIC ISSUE: [PRODUCTS] e.g. easily breaks, does not work properly, flimsy, different colour, different size, does not fit, poor workmanship etc.] [We only have [PRODUCTS] for sale for [period], and already there were [number] of returns due to quality issue by extremely dissatisfied customers.]