SELECT 
  cscart_product_filters.filter_id, 
  MIN(
    cscart_product_features_values.value_int
  ) as min, 
  MAX(
    cscart_product_features_values.value_int
  ) as max 
FROM 
  cscart_product_features_values 
  LEFT JOIN cscart_products as products ON products.product_id = cscart_product_features_values.product_id 
  LEFT JOIN cscart_product_filters ON cscart_product_filters.feature_id = cscart_product_features_values.feature_id 
  LEFT JOIN cscart_product_features ON cscart_product_features.feature_id = cscart_product_features_values.feature_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
WHERE 
  cscart_product_filters.filter_id IN (3) 
  AND cscart_product_features_values.feature_id IN (13) 
  AND cscart_product_features_values.lang_code = 'ru' 
  AND cscart_categories.category_id IN (4) 
  AND cscart_categories.company_id = 1 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND cscart_product_features.feature_type IN ('N', 'O', 'D') 
GROUP BY 
  cscart_product_features_values.feature_id