{% assign products = article.metafields.airf['products'] %}
{% if products and products != blank %}
{% assign separator = "###" %}
{% assign products_related_handles = products | split: separator %}
{% for handle in products_related_handles %}

{% assign related_product = all_products[handle] %}
{% unless related_product.empty? %}
{{ related_product.title }}
{% endunless %}

{% endfor %}
{% endif %}