If you have multi-select attribute of product like below If you want filter value for this option Use below syntax to get product data: ->addAttributeToFilter('store_model', array('finset' => $params['store_model'])) finset key is used for multiselect attribute filter. $objectManager = \Magento\Framework\App\ObjectManager::getInstance(); $products = $objectManager->get('Magento\Catalog\Model\Product') ->getCollection() ->addAttributeToSelect('*') ->addAttributeToSelect('store_brand') ->addAttributeToSelect('store_model') ->addAttributeToSelect('store_year') ->addAttributeToFilter('store_brand', array('finset' => $params['store_brand'])) ->addAttributeToFilter('store_model', array('finset' => $params['store_model'])) ->addAttributeToFilter('store_year', array('
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