Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE products (product_price VARCHAR, product_id VARCHAR)
TABLE: CREATE TABLE complaints (product_price VARCHAR, product_id VARCHAR)

### Question ###
Find the prices of products which has never received a single complaint.

### Accurate SQL ###

SELECT product_price FROM products WHERE NOT product_id IN (SELECT product_id FROM complaints)