Firstly in Ukraine as the result of resiprocal interbreedings of autotetraploid (2n=4x=32) / diploid (2n=2x=16) and diploid (2n=2x=16) / autotetraploid (2n=4x=32) four sintetic triploid (2n=3x=24) hybrid forms (611-91. 13-93. 14-93. 18-93) have been obtained. https://poolsproductscanadas.shop/product-category/hayward-commercial-white-goods/