Get custom fields without _edit_last, _edit_lock, _wp_page_template and _visual-subtitle

You should replace your call to get_post_custom with get_post_meta.

get_post_custom retrieves all the post meta fields whereas with get_post_meta you can specify the key of the meta field you want.

$meta = get_post_meta( $level_2->ID, 'Body Repair' );

This would give you an array with the value for the Body Repair meta key, To return a single value, you can use:

$metal key = YOUR META KEY
$meta = get_post_meta( $level_2->ID, $meta_key, true );

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